490571640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:668

約数の個数: 320

約数和(自身を含む): 1872208800

約数和(自身を除く): 1381637160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 52, 54, 57, 60, 65, 72, 76, 78, 81, 90, 95, 104, 108, 114, 117, 120, 130, 135, 152, 156, 162, 171, 180, 190, 195, 216, 228, 234, 247, 260, 270, 285, 312, 324, 342, 351, 360, 380, 390, 405, 456, 468, 494, 513, 520, 540, 570, 585, 613, 648, 684, 702, 741, 760, 780, 810, 855, 936, 988, 1026, 1053, 1080, 1140, 1170, 1226, 1235, 1368, 1404, 1482, 1539, 1560, 1620, 1710, 1755, 1839, 1976, 2052, 2106, 2223, 2280, 2340, 2452, 2470, 2565, 2808, 2964, 3065, 3078, 3240, 3420, 3510, 3678, 3705, 4104, 4212, 4446, 4680, 4904, 4940, 5130, 5265, 5517, 5928, 6130, 6156, 6669, 6840, 7020, 7356, 7410, 7695, 7969, 8424, 8892, 9195, 9880, 10260, 10530, 11034, 11115, 11647, 12260, 12312, 13338, 14040, 14712, 14820, 15390, 15938, 16551, 17784, 18390, 20007, 20520, 21060, 22068, 22230, 23294, 23907, 24520, 26676, 27585, 29640, 30780, 31876, 33102, 33345, 34941, 36780, 39845, 40014, 42120, 44136, 44460, 46588, 47814, 49653, 53352, 55170, 58235, 61560, 63752, 66204, 66690, 69882, 71721, 73560, 79690, 80028, 82755, 88920, 93176, 95628, 99306, 100035, 104823, 110340, 116470, 119535, 132408, 133380, 139764, 143442, 151411, 159380, 160056, 165510, 174705, 191256, 198612, 200070, 209646, 215163, 220680, 232940, 239070, 248265, 266760, 279528, 286884, 302822, 314469, 318760, 331020, 349410, 358605, 397224, 400140, 419292, 430326, 454233, 465880, 478140, 496530, 524115, 573768, 605644, 628938, 645489, 662040, 698820, 717210, 757055, 800280, 838584, 860652, 908466, 943407, 956280, 993060, 1048230, 1075815, 1211288, 1257876, 1290978, 1362699, 1397640, 1434420, 1514110, 1572345, 1721304, 1816932, 1886814, 1986120, 2096460, 2151630, 2271165, 2515752, 2581956, 2725398, 2868840, 3028220, 3144690, 3227445, 3633864, 3773628, 4088097, 4192920, 4303260, 4542330, 4717035, 5163912, 5450796, 6056440, 6289380, 6454890, 6813495, 7547256, 8176194, 8606520, 9084660, 9434070, 10901592, 12264291, 12578760, 12909780, 13626990, 16352388, 18169320, 18868140, 20440485, 24528582, 25819560, 27253980, 32704776, 37736280, 40880970, 49057164, 54507960, 61321455, 81761940, 98114328, 122642910, 163523880, 245285820, 490571640]

約数ペア:

[(1, 490571640), (2, 245285820), (3, 163523880), (4, 122642910), (5, 98114328), (6, 81761940), (8, 61321455), (9, 54507960), (10, 49057164), (12, 40880970), (13, 37736280), (15, 32704776), (18, 27253980), (19, 25819560), (20, 24528582), (24, 20440485), (26, 18868140), (27, 18169320), (30, 16352388), (36, 13626990), (38, 12909780), (39, 12578760), (40, 12264291), (45, 10901592), (52, 9434070), (54, 9084660), (57, 8606520), (60, 8176194), (65, 7547256), (72, 6813495), (76, 6454890), (78, 6289380), (81, 6056440), (90, 5450796), (95, 5163912), (104, 4717035), (108, 4542330), (114, 4303260), (117, 4192920), (120, 4088097), (130, 3773628), (135, 3633864), (152, 3227445), (156, 3144690), (162, 3028220), (171, 2868840), (180, 2725398), (190, 2581956), (195, 2515752), (216, 2271165), (228, 2151630), (234, 2096460), (247, 1986120), (260, 1886814), (270, 1816932), (285, 1721304), (312, 1572345), (324, 1514110), (342, 1434420), (351, 1397640), (360, 1362699), (380, 1290978), (390, 1257876), (405, 1211288), (456, 1075815), (468, 1048230), (494, 993060), (513, 956280), (520, 943407), (540, 908466), (570, 860652), (585, 838584), (613, 800280), (648, 757055), (684, 717210), (702, 698820), (741, 662040), (760, 645489), (780, 628938), (810, 605644), (855, 573768), (936, 524115), (988, 496530), (1026, 478140), (1053, 465880), (1080, 454233), (1140, 430326), (1170, 419292), (1226, 400140), (1235, 397224), (1368, 358605), (1404, 349410), (1482, 331020), (1539, 318760), (1560, 314469), (1620, 302822), (1710, 286884), (1755, 279528), (1839, 266760), (1976, 248265), (2052, 239070), (2106, 232940), (2223, 220680), (2280, 215163), (2340, 209646), (2452, 200070), (2470, 198612), (2565, 191256), (2808, 174705), (2964, 165510), (3065, 160056), (3078, 159380), (3240, 151411), (3420, 143442), (3510, 139764), (3678, 133380), (3705, 132408), (4104, 119535), (4212, 116470), (4446, 110340), (4680, 104823), (4904, 100035), (4940, 99306), (5130, 95628), (5265, 93176), (5517, 88920), (5928, 82755), (6130, 80028), (6156, 79690), (6669, 73560), (6840, 71721), (7020, 69882), (7356, 66690), (7410, 66204), (7695, 63752), (7969, 61560), (8424, 58235), (8892, 55170), (9195, 53352), (9880, 49653), (10260, 47814), (10530, 46588), (11034, 44460), (11115, 44136), (11647, 42120), (12260, 40014), (12312, 39845), (13338, 36780), (14040, 34941), (14712, 33345), (14820, 33102), (15390, 31876), (15938, 30780), (16551, 29640), (17784, 27585), (18390, 26676), (20007, 24520), (20520, 23907), (21060, 23294), (22068, 22230)]