279859980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{18583}}^1$

素因数の和:18846

約数の個数: 48

約数和(自身を含む): 786772224

約数和(自身を除く): 506912244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1255, 1506, 2510, 3012, 3765, 5020, 7530, 15060, 18583, 37166, 55749, 74332, 92915, 111498, 185830, 222996, 278745, 371660, 557490, 1114980, 4664333, 9328666, 13992999, 18657332, 23321665, 27985998, 46643330, 55971996, 69964995, 93286660, 139929990, 279859980]

約数ペア:

[(1, 279859980), (2, 139929990), (3, 93286660), (4, 69964995), (5, 55971996), (6, 46643330), (10, 27985998), (12, 23321665), (15, 18657332), (20, 13992999), (30, 9328666), (60, 4664333), (251, 1114980), (502, 557490), (753, 371660), (1004, 278745), (1255, 222996), (1506, 185830), (2510, 111498), (3012, 92915), (3765, 74332), (5020, 55749), (7530, 37166), (15060, 18583)]