68171220

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1$

素因数の和:133

約数の個数: 216

約数和(自身を含む): 235007136

約数和(自身を除く): 166835916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 83, 90, 108, 117, 130, 135, 156, 162, 166, 169, 180, 195, 234, 243, 249, 260, 270, 324, 332, 338, 351, 390, 405, 415, 468, 486, 498, 507, 540, 585, 676, 702, 747, 780, 810, 830, 845, 972, 996, 1014, 1053, 1079, 1170, 1215, 1245, 1404, 1494, 1521, 1620, 1660, 1690, 1755, 2028, 2106, 2158, 2241, 2340, 2430, 2490, 2535, 2988, 3042, 3159, 3237, 3380, 3510, 3735, 4212, 4316, 4482, 4563, 4860, 4980, 5070, 5265, 5395, 6084, 6318, 6474, 6723, 7020, 7470, 7605, 8964, 9126, 9711, 10140, 10530, 10790, 11205, 12636, 12948, 13446, 13689, 14027, 14940, 15210, 15795, 16185, 18252, 19422, 20169, 21060, 21580, 22410, 22815, 26892, 27378, 28054, 29133, 30420, 31590, 32370, 33615, 38844, 40338, 41067, 42081, 44820, 45630, 48555, 54756, 56108, 58266, 63180, 64740, 67230, 68445, 70135, 80676, 82134, 84162, 87399, 91260, 97110, 100845, 116532, 126243, 134460, 136890, 140270, 145665, 164268, 168324, 174798, 194220, 201690, 205335, 210405, 252486, 262197, 273780, 280540, 291330, 349596, 378729, 403380, 410670, 420810, 436995, 504972, 524394, 582660, 631215, 757458, 821340, 841620, 873990, 1048788, 1136187, 1262430, 1310985, 1514916, 1747980, 1893645, 2272374, 2524860, 2621970, 3408561, 3787290, 4544748, 5243940, 5680935, 6817122, 7574580, 11361870, 13634244, 17042805, 22723740, 34085610, 68171220]

約数ペア:

[(1, 68171220), (2, 34085610), (3, 22723740), (4, 17042805), (5, 13634244), (6, 11361870), (9, 7574580), (10, 6817122), (12, 5680935), (13, 5243940), (15, 4544748), (18, 3787290), (20, 3408561), (26, 2621970), (27, 2524860), (30, 2272374), (36, 1893645), (39, 1747980), (45, 1514916), (52, 1310985), (54, 1262430), (60, 1136187), (65, 1048788), (78, 873990), (81, 841620), (83, 821340), (90, 757458), (108, 631215), (117, 582660), (130, 524394), (135, 504972), (156, 436995), (162, 420810), (166, 410670), (169, 403380), (180, 378729), (195, 349596), (234, 291330), (243, 280540), (249, 273780), (260, 262197), (270, 252486), (324, 210405), (332, 205335), (338, 201690), (351, 194220), (390, 174798), (405, 168324), (415, 164268), (468, 145665), (486, 140270), (498, 136890), (507, 134460), (540, 126243), (585, 116532), (676, 100845), (702, 97110), (747, 91260), (780, 87399), (810, 84162), (830, 82134), (845, 80676), (972, 70135), (996, 68445), (1014, 67230), (1053, 64740), (1079, 63180), (1170, 58266), (1215, 56108), (1245, 54756), (1404, 48555), (1494, 45630), (1521, 44820), (1620, 42081), (1660, 41067), (1690, 40338), (1755, 38844), (2028, 33615), (2106, 32370), (2158, 31590), (2241, 30420), (2340, 29133), (2430, 28054), (2490, 27378), (2535, 26892), (2988, 22815), (3042, 22410), (3159, 21580), (3237, 21060), (3380, 20169), (3510, 19422), (3735, 18252), (4212, 16185), (4316, 15795), (4482, 15210), (4563, 14940), (4860, 14027), (4980, 13689), (5070, 13446), (5265, 12948), (5395, 12636), (6084, 11205), (6318, 10790), (6474, 10530), (6723, 10140), (7020, 9711), (7470, 9126), (7605, 8964)]