2018840280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{1367}}^1$

素因数の和:1809

約数の個数: 128

約数和(自身を含む): 6272225280

約数和(自身を除く): 4253385000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 397, 465, 620, 744, 794, 930, 1191, 1240, 1367, 1588, 1860, 1985, 2382, 2734, 3176, 3720, 3970, 4101, 4764, 5468, 5955, 6835, 7940, 8202, 9528, 10936, 11910, 12307, 13670, 15880, 16404, 20505, 23820, 24614, 27340, 32808, 36921, 41010, 42377, 47640, 49228, 54680, 61535, 73842, 82020, 84754, 98456, 123070, 127131, 147684, 164040, 169508, 184605, 211885, 246140, 254262, 295368, 339016, 369210, 423770, 492280, 508524, 542699, 635655, 738420, 847540, 1017048, 1085398, 1271310, 1476840, 1628097, 1695080, 2170796, 2542620, 2713495, 3256194, 4341592, 5085240, 5426990, 6512388, 8140485, 10853980, 13024776, 16280970, 16823669, 21707960, 32561940, 33647338, 50471007, 65123880, 67294676, 84118345, 100942014, 134589352, 168236690, 201884028, 252355035, 336473380, 403768056, 504710070, 672946760, 1009420140, 2018840280]

約数ペア:

[(1, 2018840280), (2, 1009420140), (3, 672946760), (4, 504710070), (5, 403768056), (6, 336473380), (8, 252355035), (10, 201884028), (12, 168236690), (15, 134589352), (20, 100942014), (24, 84118345), (30, 67294676), (31, 65123880), (40, 50471007), (60, 33647338), (62, 32561940), (93, 21707960), (120, 16823669), (124, 16280970), (155, 13024776), (186, 10853980), (248, 8140485), (310, 6512388), (372, 5426990), (397, 5085240), (465, 4341592), (620, 3256194), (744, 2713495), (794, 2542620), (930, 2170796), (1191, 1695080), (1240, 1628097), (1367, 1476840), (1588, 1271310), (1860, 1085398), (1985, 1017048), (2382, 847540), (2734, 738420), (3176, 635655), (3720, 542699), (3970, 508524), (4101, 492280), (4764, 423770), (5468, 369210), (5955, 339016), (6835, 295368), (7940, 254262), (8202, 246140), (9528, 211885), (10936, 184605), (11910, 169508), (12307, 164040), (13670, 147684), (15880, 127131), (16404, 123070), (20505, 98456), (23820, 84754), (24614, 82020), (27340, 73842), (32808, 61535), (36921, 54680), (41010, 49228), (42377, 47640)]