74879940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:613

約数の個数: 96

約数和(自身を含む): 218736000

約数和(自身を除く): 143856060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 61, 82, 122, 123, 164, 183, 205, 244, 246, 305, 366, 410, 492, 499, 610, 615, 732, 820, 915, 998, 1220, 1230, 1497, 1830, 1996, 2460, 2495, 2501, 2994, 3660, 4990, 5002, 5988, 7485, 7503, 9980, 10004, 12505, 14970, 15006, 20459, 25010, 29940, 30012, 30439, 37515, 40918, 50020, 60878, 61377, 75030, 81836, 91317, 102295, 121756, 122754, 150060, 152195, 182634, 204590, 245508, 304390, 306885, 365268, 409180, 456585, 608780, 613770, 913170, 1227540, 1247999, 1826340, 2495998, 3743997, 4991996, 6239995, 7487994, 12479990, 14975988, 18719985, 24959980, 37439970, 74879940]

約数ペア:

[(1, 74879940), (2, 37439970), (3, 24959980), (4, 18719985), (5, 14975988), (6, 12479990), (10, 7487994), (12, 6239995), (15, 4991996), (20, 3743997), (30, 2495998), (41, 1826340), (60, 1247999), (61, 1227540), (82, 913170), (122, 613770), (123, 608780), (164, 456585), (183, 409180), (205, 365268), (244, 306885), (246, 304390), (305, 245508), (366, 204590), (410, 182634), (492, 152195), (499, 150060), (610, 122754), (615, 121756), (732, 102295), (820, 91317), (915, 81836), (998, 75030), (1220, 61377), (1230, 60878), (1497, 50020), (1830, 40918), (1996, 37515), (2460, 30439), (2495, 30012), (2501, 29940), (2994, 25010), (3660, 20459), (4990, 15006), (5002, 14970), (5988, 12505), (7485, 10004), (7503, 9980)]