1905280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 4926600

約数和(自身を除く): 3021320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 229, 260, 320, 416, 458, 520, 640, 832, 916, 1040, 1145, 1664, 1832, 2080, 2290, 2977, 3664, 4160, 4580, 5954, 7328, 8320, 9160, 11908, 14656, 14885, 18320, 23816, 29312, 29770, 36640, 47632, 59540, 73280, 95264, 119080, 146560, 190528, 238160, 381056, 476320, 952640, 1905280]

約数ペア:

[(1, 1905280), (2, 952640), (4, 476320), (5, 381056), (8, 238160), (10, 190528), (13, 146560), (16, 119080), (20, 95264), (26, 73280), (32, 59540), (40, 47632), (52, 36640), (64, 29770), (65, 29312), (80, 23816), (104, 18320), (128, 14885), (130, 14656), (160, 11908), (208, 9160), (229, 8320), (260, 7328), (320, 5954), (416, 4580), (458, 4160), (520, 3664), (640, 2977), (832, 2290), (916, 2080), (1040, 1832), (1145, 1664)]