8557507840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30809}}^1$

素因数の和:30868

約数の個数: 144

約数和(自身を含む): 24182645760

約数和(自身を除く): 15625137920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4960, 6944, 7936, 8680, 8960, 9920, 13888, 17360, 19840, 27776, 30809, 34720, 39680, 55552, 61618, 69440, 123236, 138880, 154045, 215663, 246472, 277760, 308090, 431326, 492944, 616180, 862652, 955079, 985888, 1078315, 1232360, 1725304, 1910158, 1971776, 2156630, 2464720, 3450608, 3820316, 3943552, 4313260, 4775395, 4929440, 6685553, 6901216, 7640632, 7887104, 8626520, 9550790, 9858880, 13371106, 13802432, 15281264, 17253040, 19101580, 19717760, 26742212, 27604864, 30562528, 33427765, 34506080, 38203160, 39435520, 53484424, 55209728, 61125056, 66855530, 69012160, 76406320, 106968848, 122250112, 133711060, 138024320, 152812640, 213937696, 244500224, 267422120, 276048640, 305625280, 427875392, 534844240, 611250560, 855750784, 1069688480, 1222501120, 1711501568, 2139376960, 4278753920, 8557507840]

約数ペア:

[(1, 8557507840), (2, 4278753920), (4, 2139376960), (5, 1711501568), (7, 1222501120), (8, 1069688480), (10, 855750784), (14, 611250560), (16, 534844240), (20, 427875392), (28, 305625280), (31, 276048640), (32, 267422120), (35, 244500224), (40, 213937696), (56, 152812640), (62, 138024320), (64, 133711060), (70, 122250112), (80, 106968848), (112, 76406320), (124, 69012160), (128, 66855530), (140, 61125056), (155, 55209728), (160, 53484424), (217, 39435520), (224, 38203160), (248, 34506080), (256, 33427765), (280, 30562528), (310, 27604864), (320, 26742212), (434, 19717760), (448, 19101580), (496, 17253040), (560, 15281264), (620, 13802432), (640, 13371106), (868, 9858880), (896, 9550790), (992, 8626520), (1085, 7887104), (1120, 7640632), (1240, 6901216), (1280, 6685553), (1736, 4929440), (1792, 4775395), (1984, 4313260), (2170, 3943552), (2240, 3820316), (2480, 3450608), (3472, 2464720), (3968, 2156630), (4340, 1971776), (4480, 1910158), (4960, 1725304), (6944, 1232360), (7936, 1078315), (8680, 985888), (8960, 955079), (9920, 862652), (13888, 616180), (17360, 492944), (19840, 431326), (27776, 308090), (30809, 277760), (34720, 246472), (39680, 215663), (55552, 154045), (61618, 138880), (69440, 123236)]