90509440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:342

約数の個数: 128

約数和(自身を含む): 251164800

約数和(自身を除く): 160655360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 128, 140, 160, 178, 224, 227, 280, 320, 356, 445, 448, 454, 560, 623, 640, 712, 890, 896, 908, 1120, 1135, 1246, 1424, 1589, 1780, 1816, 2240, 2270, 2492, 2848, 3115, 3178, 3560, 3632, 4480, 4540, 4984, 5696, 6230, 6356, 7120, 7264, 7945, 9080, 9968, 11392, 12460, 12712, 14240, 14528, 15890, 18160, 19936, 20203, 24920, 25424, 28480, 29056, 31780, 36320, 39872, 40406, 49840, 50848, 56960, 63560, 72640, 79744, 80812, 99680, 101015, 101696, 127120, 141421, 145280, 161624, 199360, 202030, 203392, 254240, 282842, 323248, 398720, 404060, 508480, 565684, 646496, 707105, 808120, 1016960, 1131368, 1292992, 1414210, 1616240, 2262736, 2585984, 2828420, 3232480, 4525472, 5656840, 6464960, 9050944, 11313680, 12929920, 18101888, 22627360, 45254720, 90509440]

約数ペア:

[(1, 90509440), (2, 45254720), (4, 22627360), (5, 18101888), (7, 12929920), (8, 11313680), (10, 9050944), (14, 6464960), (16, 5656840), (20, 4525472), (28, 3232480), (32, 2828420), (35, 2585984), (40, 2262736), (56, 1616240), (64, 1414210), (70, 1292992), (80, 1131368), (89, 1016960), (112, 808120), (128, 707105), (140, 646496), (160, 565684), (178, 508480), (224, 404060), (227, 398720), (280, 323248), (320, 282842), (356, 254240), (445, 203392), (448, 202030), (454, 199360), (560, 161624), (623, 145280), (640, 141421), (712, 127120), (890, 101696), (896, 101015), (908, 99680), (1120, 80812), (1135, 79744), (1246, 72640), (1424, 63560), (1589, 56960), (1780, 50848), (1816, 49840), (2240, 40406), (2270, 39872), (2492, 36320), (2848, 31780), (3115, 29056), (3178, 28480), (3560, 25424), (3632, 24920), (4480, 20203), (4540, 19936), (4984, 18160), (5696, 15890), (6230, 14528), (6356, 14240), (7120, 12712), (7264, 12460), (7945, 11392), (9080, 9968)]