245285820

素因数分解:

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

素因数の和:666

約数の個数: 240

約数和(自身を含む): 873697440

約数和(自身を除く): 628411620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 81, 90, 95, 108, 114, 117, 130, 135, 156, 162, 171, 180, 190, 195, 228, 234, 247, 260, 270, 285, 324, 342, 351, 380, 390, 405, 468, 494, 513, 540, 570, 585, 613, 684, 702, 741, 780, 810, 855, 988, 1026, 1053, 1140, 1170, 1226, 1235, 1404, 1482, 1539, 1620, 1710, 1755, 1839, 2052, 2106, 2223, 2340, 2452, 2470, 2565, 2964, 3065, 3078, 3420, 3510, 3678, 3705, 4212, 4446, 4940, 5130, 5265, 5517, 6130, 6156, 6669, 7020, 7356, 7410, 7695, 7969, 8892, 9195, 10260, 10530, 11034, 11115, 11647, 12260, 13338, 14820, 15390, 15938, 16551, 18390, 20007, 21060, 22068, 22230, 23294, 23907, 26676, 27585, 30780, 31876, 33102, 33345, 34941, 36780, 39845, 40014, 44460, 46588, 47814, 49653, 55170, 58235, 66204, 66690, 69882, 71721, 79690, 80028, 82755, 95628, 99306, 100035, 104823, 110340, 116470, 119535, 133380, 139764, 143442, 151411, 159380, 165510, 174705, 198612, 200070, 209646, 215163, 232940, 239070, 248265, 286884, 302822, 314469, 331020, 349410, 358605, 400140, 419292, 430326, 454233, 478140, 496530, 524115, 605644, 628938, 645489, 698820, 717210, 757055, 860652, 908466, 943407, 993060, 1048230, 1075815, 1257876, 1290978, 1362699, 1434420, 1514110, 1572345, 1816932, 1886814, 2096460, 2151630, 2271165, 2581956, 2725398, 3028220, 3144690, 3227445, 3773628, 4088097, 4303260, 4542330, 4717035, 5450796, 6289380, 6454890, 6813495, 8176194, 9084660, 9434070, 12264291, 12909780, 13626990, 16352388, 18868140, 20440485, 24528582, 27253980, 40880970, 49057164, 61321455, 81761940, 122642910, 245285820]

約数ペア:

[(1, 245285820), (2, 122642910), (3, 81761940), (4, 61321455), (5, 49057164), (6, 40880970), (9, 27253980), (10, 24528582), (12, 20440485), (13, 18868140), (15, 16352388), (18, 13626990), (19, 12909780), (20, 12264291), (26, 9434070), (27, 9084660), (30, 8176194), (36, 6813495), (38, 6454890), (39, 6289380), (45, 5450796), (52, 4717035), (54, 4542330), (57, 4303260), (60, 4088097), (65, 3773628), (76, 3227445), (78, 3144690), (81, 3028220), (90, 2725398), (95, 2581956), (108, 2271165), (114, 2151630), (117, 2096460), (130, 1886814), (135, 1816932), (156, 1572345), (162, 1514110), (171, 1434420), (180, 1362699), (190, 1290978), (195, 1257876), (228, 1075815), (234, 1048230), (247, 993060), (260, 943407), (270, 908466), (285, 860652), (324, 757055), (342, 717210), (351, 698820), (380, 645489), (390, 628938), (405, 605644), (468, 524115), (494, 496530), (513, 478140), (540, 454233), (570, 430326), (585, 419292), (613, 400140), (684, 358605), (702, 349410), (741, 331020), (780, 314469), (810, 302822), (855, 286884), (988, 248265), (1026, 239070), (1053, 232940), (1140, 215163), (1170, 209646), (1226, 200070), (1235, 198612), (1404, 174705), (1482, 165510), (1539, 159380), (1620, 151411), (1710, 143442), (1755, 139764), (1839, 133380), (2052, 119535), (2106, 116470), (2223, 110340), (2340, 104823), (2452, 100035), (2470, 99306), (2565, 95628), (2964, 82755), (3065, 80028), (3078, 79690), (3420, 71721), (3510, 69882), (3678, 66690), (3705, 66204), (4212, 58235), (4446, 55170), (4940, 49653), (5130, 47814), (5265, 46588), (5517, 44460), (6130, 40014), (6156, 39845), (6669, 36780), (7020, 34941), (7356, 33345), (7410, 33102), (7695, 31876), (7969, 30780), (8892, 27585), (9195, 26676), (10260, 23907), (10530, 23294), (11034, 22230), (11115, 22068), (11647, 21060), (12260, 20007), (13338, 18390), (14820, 16551), (15390, 15938)]