80724280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{331}}^1$

素因数の和:429

約数の個数: 128

約数和(自身を含む): 227566080

約数和(自身を除く): 146841800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 67, 70, 91, 104, 130, 134, 140, 182, 260, 268, 280, 331, 335, 364, 455, 469, 520, 536, 662, 670, 728, 871, 910, 938, 1324, 1340, 1655, 1742, 1820, 1876, 2317, 2345, 2648, 2680, 3310, 3484, 3640, 3752, 4303, 4355, 4634, 4690, 6097, 6620, 6968, 8606, 8710, 9268, 9380, 11585, 12194, 13240, 17212, 17420, 18536, 18760, 21515, 22177, 23170, 24388, 30121, 30485, 34424, 34840, 43030, 44354, 46340, 48776, 60242, 60970, 86060, 88708, 92680, 110885, 120484, 121940, 150605, 155239, 172120, 177416, 221770, 240968, 243880, 288301, 301210, 310478, 443540, 576602, 602420, 620956, 776195, 887080, 1153204, 1204840, 1241912, 1441505, 1552390, 2018107, 2306408, 2883010, 3104780, 4036214, 5766020, 6209560, 8072428, 10090535, 11532040, 16144856, 20181070, 40362140, 80724280]

約数ペア:

[(1, 80724280), (2, 40362140), (4, 20181070), (5, 16144856), (7, 11532040), (8, 10090535), (10, 8072428), (13, 6209560), (14, 5766020), (20, 4036214), (26, 3104780), (28, 2883010), (35, 2306408), (40, 2018107), (52, 1552390), (56, 1441505), (65, 1241912), (67, 1204840), (70, 1153204), (91, 887080), (104, 776195), (130, 620956), (134, 602420), (140, 576602), (182, 443540), (260, 310478), (268, 301210), (280, 288301), (331, 243880), (335, 240968), (364, 221770), (455, 177416), (469, 172120), (520, 155239), (536, 150605), (662, 121940), (670, 120484), (728, 110885), (871, 92680), (910, 88708), (938, 86060), (1324, 60970), (1340, 60242), (1655, 48776), (1742, 46340), (1820, 44354), (1876, 43030), (2317, 34840), (2345, 34424), (2648, 30485), (2680, 30121), (3310, 24388), (3484, 23170), (3640, 22177), (3752, 21515), (4303, 18760), (4355, 18536), (4634, 17420), (4690, 17212), (6097, 13240), (6620, 12194), (6968, 11585), (8606, 9380), (8710, 9268)]