65261580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 202777344

約数和(自身を除く): 137515764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 23, 30, 38, 46, 57, 60, 69, 76, 92, 95, 114, 115, 131, 138, 190, 228, 230, 262, 276, 285, 345, 361, 380, 393, 437, 460, 524, 570, 655, 690, 722, 786, 874, 1083, 1140, 1310, 1311, 1380, 1444, 1572, 1748, 1805, 1965, 2166, 2185, 2489, 2620, 2622, 3013, 3610, 3930, 4332, 4370, 4978, 5244, 5415, 6026, 6555, 7220, 7467, 7860, 8303, 8740, 9039, 9956, 10830, 12052, 12445, 13110, 14934, 15065, 16606, 18078, 21660, 24890, 24909, 26220, 29868, 30130, 33212, 36156, 37335, 41515, 45195, 47291, 49780, 49818, 57247, 60260, 74670, 83030, 90390, 94582, 99636, 114494, 124545, 141873, 149340, 166060, 171741, 180780, 189164, 228988, 236455, 249090, 283746, 286235, 343482, 472910, 498180, 567492, 572470, 686964, 709365, 858705, 945820, 1087693, 1144940, 1418730, 1717410, 2175386, 2837460, 3263079, 3434820, 4350772, 5438465, 6526158, 10876930, 13052316, 16315395, 21753860, 32630790, 65261580]

約数ペア:

[(1, 65261580), (2, 32630790), (3, 21753860), (4, 16315395), (5, 13052316), (6, 10876930), (10, 6526158), (12, 5438465), (15, 4350772), (19, 3434820), (20, 3263079), (23, 2837460), (30, 2175386), (38, 1717410), (46, 1418730), (57, 1144940), (60, 1087693), (69, 945820), (76, 858705), (92, 709365), (95, 686964), (114, 572470), (115, 567492), (131, 498180), (138, 472910), (190, 343482), (228, 286235), (230, 283746), (262, 249090), (276, 236455), (285, 228988), (345, 189164), (361, 180780), (380, 171741), (393, 166060), (437, 149340), (460, 141873), (524, 124545), (570, 114494), (655, 99636), (690, 94582), (722, 90390), (786, 83030), (874, 74670), (1083, 60260), (1140, 57247), (1310, 49818), (1311, 49780), (1380, 47291), (1444, 45195), (1572, 41515), (1748, 37335), (1805, 36156), (1965, 33212), (2166, 30130), (2185, 29868), (2489, 26220), (2620, 24909), (2622, 24890), (3013, 21660), (3610, 18078), (3930, 16606), (4332, 15065), (4370, 14934), (4978, 13110), (5244, 12445), (5415, 12052), (6026, 10830), (6555, 9956), (7220, 9039), (7467, 8740), (7860, 8303)]