90178920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2141}}^1$

素因数の和:2177

約数の個数: 160

約数和(自身を含む): 326569320

約数和(自身を除く): 236390400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 468, 520, 540, 585, 648, 702, 780, 810, 936, 1053, 1080, 1170, 1404, 1560, 1620, 1755, 2106, 2141, 2340, 2808, 3240, 3510, 4212, 4282, 4680, 5265, 6423, 7020, 8424, 8564, 10530, 10705, 12846, 14040, 17128, 19269, 21060, 21410, 25692, 27833, 32115, 38538, 42120, 42820, 51384, 55666, 57807, 64230, 77076, 83499, 85640, 96345, 111332, 115614, 128460, 139165, 154152, 166998, 173421, 192690, 222664, 231228, 250497, 256920, 278330, 289035, 333996, 346842, 385380, 417495, 462456, 500994, 556660, 578070, 667992, 693684, 751491, 770760, 834990, 867105, 1001988, 1113320, 1156140, 1252485, 1387368, 1502982, 1669980, 1734210, 2003976, 2254473, 2312280, 2504970, 3005964, 3339960, 3468420, 3757455, 4508946, 5009940, 6011928, 6936840, 7514910, 9017892, 10019880, 11272365, 15029820, 18035784, 22544730, 30059640, 45089460, 90178920]

約数ペア:

[(1, 90178920), (2, 45089460), (3, 30059640), (4, 22544730), (5, 18035784), (6, 15029820), (8, 11272365), (9, 10019880), (10, 9017892), (12, 7514910), (13, 6936840), (15, 6011928), (18, 5009940), (20, 4508946), (24, 3757455), (26, 3468420), (27, 3339960), (30, 3005964), (36, 2504970), (39, 2312280), (40, 2254473), (45, 2003976), (52, 1734210), (54, 1669980), (60, 1502982), (65, 1387368), (72, 1252485), (78, 1156140), (81, 1113320), (90, 1001988), (104, 867105), (108, 834990), (117, 770760), (120, 751491), (130, 693684), (135, 667992), (156, 578070), (162, 556660), (180, 500994), (195, 462456), (216, 417495), (234, 385380), (260, 346842), (270, 333996), (312, 289035), (324, 278330), (351, 256920), (360, 250497), (390, 231228), (405, 222664), (468, 192690), (520, 173421), (540, 166998), (585, 154152), (648, 139165), (702, 128460), (780, 115614), (810, 111332), (936, 96345), (1053, 85640), (1080, 83499), (1170, 77076), (1404, 64230), (1560, 57807), (1620, 55666), (1755, 51384), (2106, 42820), (2141, 42120), (2340, 38538), (2808, 32115), (3240, 27833), (3510, 25692), (4212, 21410), (4282, 21060), (4680, 19269), (5265, 17128), (6423, 14040), (7020, 12846), (8424, 10705), (8564, 10530)]