64710120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 201398400

約数和(自身を除く): 136688280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 83, 89, 120, 146, 166, 178, 219, 249, 267, 292, 332, 356, 365, 415, 438, 445, 498, 534, 584, 664, 712, 730, 830, 876, 890, 996, 1068, 1095, 1245, 1335, 1460, 1660, 1752, 1780, 1992, 2136, 2190, 2490, 2670, 2920, 3320, 3560, 4380, 4980, 5340, 6059, 6497, 7387, 8760, 9960, 10680, 12118, 12994, 14774, 18177, 19491, 22161, 24236, 25988, 29548, 30295, 32485, 36354, 36935, 38982, 44322, 48472, 51976, 59096, 60590, 64970, 72708, 73870, 77964, 88644, 90885, 97455, 110805, 121180, 129940, 145416, 147740, 155928, 177288, 181770, 194910, 221610, 242360, 259880, 295480, 363540, 389820, 443220, 539251, 727080, 779640, 886440, 1078502, 1617753, 2157004, 2696255, 3235506, 4314008, 5392510, 6471012, 8088765, 10785020, 12942024, 16177530, 21570040, 32355060, 64710120]

約数ペア:

[(1, 64710120), (2, 32355060), (3, 21570040), (4, 16177530), (5, 12942024), (6, 10785020), (8, 8088765), (10, 6471012), (12, 5392510), (15, 4314008), (20, 3235506), (24, 2696255), (30, 2157004), (40, 1617753), (60, 1078502), (73, 886440), (83, 779640), (89, 727080), (120, 539251), (146, 443220), (166, 389820), (178, 363540), (219, 295480), (249, 259880), (267, 242360), (292, 221610), (332, 194910), (356, 181770), (365, 177288), (415, 155928), (438, 147740), (445, 145416), (498, 129940), (534, 121180), (584, 110805), (664, 97455), (712, 90885), (730, 88644), (830, 77964), (876, 73870), (890, 72708), (996, 64970), (1068, 60590), (1095, 59096), (1245, 51976), (1335, 48472), (1460, 44322), (1660, 38982), (1752, 36935), (1780, 36354), (1992, 32485), (2136, 30295), (2190, 29548), (2490, 25988), (2670, 24236), (2920, 22161), (3320, 19491), (3560, 18177), (4380, 14774), (4980, 12994), (5340, 12118), (6059, 10680), (6497, 9960), (7387, 8760)]