15958020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:565

約数の個数: 96

約数和(自身を含む): 49392000

約数和(自身を除く): 33433980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 123, 130, 156, 164, 195, 205, 246, 260, 390, 410, 492, 499, 533, 615, 780, 820, 998, 1066, 1230, 1497, 1599, 1996, 2132, 2460, 2495, 2665, 2994, 3198, 4990, 5330, 5988, 6396, 6487, 7485, 7995, 9980, 10660, 12974, 14970, 15990, 19461, 20459, 25948, 29940, 31980, 32435, 38922, 40918, 61377, 64870, 77844, 81836, 97305, 102295, 122754, 129740, 194610, 204590, 245508, 265967, 306885, 389220, 409180, 531934, 613770, 797901, 1063868, 1227540, 1329835, 1595802, 2659670, 3191604, 3989505, 5319340, 7979010, 15958020]

約数ペア:

[(1, 15958020), (2, 7979010), (3, 5319340), (4, 3989505), (5, 3191604), (6, 2659670), (10, 1595802), (12, 1329835), (13, 1227540), (15, 1063868), (20, 797901), (26, 613770), (30, 531934), (39, 409180), (41, 389220), (52, 306885), (60, 265967), (65, 245508), (78, 204590), (82, 194610), (123, 129740), (130, 122754), (156, 102295), (164, 97305), (195, 81836), (205, 77844), (246, 64870), (260, 61377), (390, 40918), (410, 38922), (492, 32435), (499, 31980), (533, 29940), (615, 25948), (780, 20459), (820, 19461), (998, 15990), (1066, 14970), (1230, 12974), (1497, 10660), (1599, 9980), (1996, 7995), (2132, 7485), (2460, 6487), (2495, 6396), (2665, 5988), (2994, 5330), (3198, 4990)]