81761940

素因数分解:

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

素因数の和:663

約数の個数: 192

約数和(自身を含む): 288825600

約数和(自身を除く): 207063660

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, 90, 95, 108, 114, 117, 130, 135, 156, 171, 180, 190, 195, 228, 234, 247, 260, 270, 285, 342, 351, 380, 390, 468, 494, 513, 540, 570, 585, 613, 684, 702, 741, 780, 855, 988, 1026, 1140, 1170, 1226, 1235, 1404, 1482, 1710, 1755, 1839, 2052, 2223, 2340, 2452, 2470, 2565, 2964, 3065, 3420, 3510, 3678, 3705, 4446, 4940, 5130, 5517, 6130, 6669, 7020, 7356, 7410, 7969, 8892, 9195, 10260, 11034, 11115, 11647, 12260, 13338, 14820, 15938, 16551, 18390, 22068, 22230, 23294, 23907, 26676, 27585, 31876, 33102, 33345, 34941, 36780, 39845, 44460, 46588, 47814, 55170, 58235, 66204, 66690, 69882, 71721, 79690, 82755, 95628, 104823, 110340, 116470, 119535, 133380, 139764, 143442, 151411, 159380, 165510, 174705, 209646, 215163, 232940, 239070, 286884, 302822, 314469, 331020, 349410, 358605, 419292, 430326, 454233, 478140, 524115, 605644, 628938, 698820, 717210, 757055, 860652, 908466, 1048230, 1075815, 1257876, 1362699, 1434420, 1514110, 1572345, 1816932, 2096460, 2151630, 2271165, 2725398, 3028220, 3144690, 4088097, 4303260, 4542330, 5450796, 6289380, 6813495, 8176194, 9084660, 13626990, 16352388, 20440485, 27253980, 40880970, 81761940]

約数ペア:

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