26555940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 85333248

約数和(自身を除く): 58777308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 47, 60, 73, 86, 90, 94, 129, 141, 146, 172, 180, 188, 215, 219, 235, 258, 282, 292, 365, 387, 423, 430, 438, 470, 516, 564, 645, 657, 705, 730, 774, 846, 860, 876, 940, 1095, 1290, 1314, 1410, 1460, 1548, 1692, 1935, 2021, 2115, 2190, 2580, 2628, 2820, 3139, 3285, 3431, 3870, 4042, 4230, 4380, 6063, 6278, 6570, 6862, 7740, 8084, 8460, 9417, 10105, 10293, 12126, 12556, 13140, 13724, 15695, 17155, 18189, 18834, 20210, 20586, 24252, 28251, 30315, 30879, 31390, 34310, 36378, 37668, 40420, 41172, 47085, 51465, 56502, 60630, 61758, 62780, 68620, 72756, 90945, 94170, 102930, 113004, 121260, 123516, 141255, 147533, 154395, 181890, 188340, 205860, 282510, 295066, 308790, 363780, 442599, 565020, 590132, 617580, 737665, 885198, 1327797, 1475330, 1770396, 2212995, 2655594, 2950660, 4425990, 5311188, 6638985, 8851980, 13277970, 26555940]

約数ペア:

[(1, 26555940), (2, 13277970), (3, 8851980), (4, 6638985), (5, 5311188), (6, 4425990), (9, 2950660), (10, 2655594), (12, 2212995), (15, 1770396), (18, 1475330), (20, 1327797), (30, 885198), (36, 737665), (43, 617580), (45, 590132), (47, 565020), (60, 442599), (73, 363780), (86, 308790), (90, 295066), (94, 282510), (129, 205860), (141, 188340), (146, 181890), (172, 154395), (180, 147533), (188, 141255), (215, 123516), (219, 121260), (235, 113004), (258, 102930), (282, 94170), (292, 90945), (365, 72756), (387, 68620), (423, 62780), (430, 61758), (438, 60630), (470, 56502), (516, 51465), (564, 47085), (645, 41172), (657, 40420), (705, 37668), (730, 36378), (774, 34310), (846, 31390), (860, 30879), (876, 30315), (940, 28251), (1095, 24252), (1290, 20586), (1314, 20210), (1410, 18834), (1460, 18189), (1548, 17155), (1692, 15695), (1935, 13724), (2021, 13140), (2115, 12556), (2190, 12126), (2580, 10293), (2628, 10105), (2820, 9417), (3139, 8460), (3285, 8084), (3431, 7740), (3870, 6862), (4042, 6570), (4230, 6278), (4380, 6063)]