90928240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 160

約数和(自身を含む): 249359040

約数和(自身を除く): 158430800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 37, 40, 52, 65, 68, 74, 80, 85, 104, 130, 136, 139, 148, 170, 185, 208, 221, 260, 272, 278, 296, 340, 370, 442, 481, 520, 556, 592, 629, 680, 695, 740, 884, 962, 1040, 1105, 1112, 1258, 1360, 1390, 1480, 1768, 1807, 1924, 2210, 2224, 2363, 2405, 2516, 2780, 2960, 3145, 3536, 3614, 3848, 4420, 4726, 4810, 5032, 5143, 5560, 6290, 7228, 7696, 8177, 8840, 9035, 9452, 9620, 10064, 10286, 11120, 11815, 12580, 14456, 16354, 17680, 18070, 18904, 19240, 20572, 23630, 25160, 25715, 28912, 30719, 32708, 36140, 37808, 38480, 40885, 41144, 47260, 50320, 51430, 61438, 65416, 66859, 72280, 81770, 82288, 87431, 94520, 102860, 122876, 130832, 133718, 144560, 153595, 163540, 174862, 189040, 205720, 245752, 267436, 307190, 327080, 334295, 349724, 411440, 437155, 491504, 534872, 614380, 654160, 668590, 699448, 874310, 1069744, 1136603, 1228760, 1337180, 1398896, 1748620, 2273206, 2457520, 2674360, 3497240, 4546412, 5348720, 5683015, 6994480, 9092824, 11366030, 18185648, 22732060, 45464120, 90928240]

約数ペア:

[(1, 90928240), (2, 45464120), (4, 22732060), (5, 18185648), (8, 11366030), (10, 9092824), (13, 6994480), (16, 5683015), (17, 5348720), (20, 4546412), (26, 3497240), (34, 2674360), (37, 2457520), (40, 2273206), (52, 1748620), (65, 1398896), (68, 1337180), (74, 1228760), (80, 1136603), (85, 1069744), (104, 874310), (130, 699448), (136, 668590), (139, 654160), (148, 614380), (170, 534872), (185, 491504), (208, 437155), (221, 411440), (260, 349724), (272, 334295), (278, 327080), (296, 307190), (340, 267436), (370, 245752), (442, 205720), (481, 189040), (520, 174862), (556, 163540), (592, 153595), (629, 144560), (680, 133718), (695, 130832), (740, 122876), (884, 102860), (962, 94520), (1040, 87431), (1105, 82288), (1112, 81770), (1258, 72280), (1360, 66859), (1390, 65416), (1480, 61438), (1768, 51430), (1807, 50320), (1924, 47260), (2210, 41144), (2224, 40885), (2363, 38480), (2405, 37808), (2516, 36140), (2780, 32708), (2960, 30719), (3145, 28912), (3536, 25715), (3614, 25160), (3848, 23630), (4420, 20572), (4726, 19240), (4810, 18904), (5032, 18070), (5143, 17680), (5560, 16354), (6290, 14456), (7228, 12580), (7696, 11815), (8177, 11120), (8840, 10286), (9035, 10064), (9452, 9620)]