90821070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 244430784

約数和(自身を除く): 153609714

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 71, 90, 122, 142, 183, 213, 233, 305, 355, 366, 426, 466, 549, 610, 639, 699, 710, 915, 1065, 1098, 1165, 1278, 1398, 1830, 2097, 2130, 2330, 2745, 3195, 3495, 4194, 4331, 5490, 6390, 6990, 8662, 10485, 12993, 14213, 16543, 20970, 21655, 25986, 28426, 33086, 38979, 42639, 43310, 49629, 64965, 71065, 77958, 82715, 85278, 99258, 127917, 129930, 142130, 148887, 165430, 194895, 213195, 248145, 255834, 297774, 389790, 426390, 496290, 639585, 744435, 1009123, 1279170, 1488870, 2018246, 3027369, 5045615, 6054738, 9082107, 10091230, 15136845, 18164214, 30273690, 45410535, 90821070]

約数ペア:

[(1, 90821070), (2, 45410535), (3, 30273690), (5, 18164214), (6, 15136845), (9, 10091230), (10, 9082107), (15, 6054738), (18, 5045615), (30, 3027369), (45, 2018246), (61, 1488870), (71, 1279170), (90, 1009123), (122, 744435), (142, 639585), (183, 496290), (213, 426390), (233, 389790), (305, 297774), (355, 255834), (366, 248145), (426, 213195), (466, 194895), (549, 165430), (610, 148887), (639, 142130), (699, 129930), (710, 127917), (915, 99258), (1065, 85278), (1098, 82715), (1165, 77958), (1278, 71065), (1398, 64965), (1830, 49629), (2097, 43310), (2130, 42639), (2330, 38979), (2745, 33086), (3195, 28426), (3495, 25986), (4194, 21655), (4331, 20970), (5490, 16543), (6390, 14213), (6990, 12993), (8662, 10485)]