15868280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 37601280

約数和(自身を除く): 21733000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 124, 134, 155, 191, 248, 268, 310, 335, 382, 536, 620, 670, 764, 955, 1240, 1340, 1528, 1910, 2077, 2680, 3820, 4154, 5921, 7640, 8308, 10385, 11842, 12797, 16616, 20770, 23684, 25594, 29605, 41540, 47368, 51188, 59210, 63985, 83080, 102376, 118420, 127970, 236840, 255940, 396707, 511880, 793414, 1586828, 1983535, 3173656, 3967070, 7934140, 15868280]

約数ペア:

[(1, 15868280), (2, 7934140), (4, 3967070), (5, 3173656), (8, 1983535), (10, 1586828), (20, 793414), (31, 511880), (40, 396707), (62, 255940), (67, 236840), (124, 127970), (134, 118420), (155, 102376), (191, 83080), (248, 63985), (268, 59210), (310, 51188), (335, 47368), (382, 41540), (536, 29605), (620, 25594), (670, 23684), (764, 20770), (955, 16616), (1240, 12797), (1340, 11842), (1528, 10385), (1910, 8308), (2077, 7640), (2680, 5921), (3820, 4154)]