81310590840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1229}}^1\times {\mathrm{23971}}^1$

素因数の和:25237

約数の個数: 128

約数和(自身を含む): 254755238400

約数和(自身を除く): 173444647560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1229, 1380, 2458, 2760, 3687, 4916, 6145, 7374, 9832, 12290, 14748, 18435, 23971, 24580, 28267, 29496, 36870, 47942, 49160, 56534, 71913, 73740, 84801, 95884, 113068, 119855, 141335, 143826, 147480, 169602, 191768, 226136, 239710, 282670, 287652, 339204, 359565, 424005, 479420, 551333, 565340, 575304, 678408, 719130, 848010, 958840, 1102666, 1130680, 1438260, 1653999, 1696020, 2205332, 2756665, 2876520, 3307998, 3392040, 4410664, 5513330, 6615996, 8269995, 11026660, 13231992, 16539990, 22053320, 29460359, 33079980, 58920718, 66159960, 88381077, 117841436, 147301795, 176762154, 235682872, 294603590, 353524308, 441905385, 589207180, 677588257, 707048616, 883810770, 1178414360, 1355176514, 1767621540, 2032764771, 2710353028, 3387941285, 3535243080, 4065529542, 5420706056, 6775882570, 8131059084, 10163823855, 13551765140, 16262118168, 20327647710, 27103530280, 40655295420, 81310590840]

約数ペア:

[(1, 81310590840), (2, 40655295420), (3, 27103530280), (4, 20327647710), (5, 16262118168), (6, 13551765140), (8, 10163823855), (10, 8131059084), (12, 6775882570), (15, 5420706056), (20, 4065529542), (23, 3535243080), (24, 3387941285), (30, 2710353028), (40, 2032764771), (46, 1767621540), (60, 1355176514), (69, 1178414360), (92, 883810770), (115, 707048616), (120, 677588257), (138, 589207180), (184, 441905385), (230, 353524308), (276, 294603590), (345, 235682872), (460, 176762154), (552, 147301795), (690, 117841436), (920, 88381077), (1229, 66159960), (1380, 58920718), (2458, 33079980), (2760, 29460359), (3687, 22053320), (4916, 16539990), (6145, 13231992), (7374, 11026660), (9832, 8269995), (12290, 6615996), (14748, 5513330), (18435, 4410664), (23971, 3392040), (24580, 3307998), (28267, 2876520), (29496, 2756665), (36870, 2205332), (47942, 1696020), (49160, 1653999), (56534, 1438260), (71913, 1130680), (73740, 1102666), (84801, 958840), (95884, 848010), (113068, 719130), (119855, 678408), (141335, 575304), (143826, 565340), (147480, 551333), (169602, 479420), (191768, 424005), (226136, 359565), (239710, 339204), (282670, 287652)]