31212060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 101388672

約数和(自身を除く): 70176612

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 131, 132, 165, 190, 209, 220, 228, 262, 285, 330, 361, 380, 393, 418, 524, 570, 627, 655, 660, 722, 786, 836, 1045, 1083, 1140, 1254, 1310, 1441, 1444, 1572, 1805, 1965, 2090, 2166, 2489, 2508, 2620, 2882, 3135, 3610, 3930, 3971, 4180, 4323, 4332, 4978, 5415, 5764, 6270, 7205, 7220, 7467, 7860, 7942, 8646, 9956, 10830, 11913, 12445, 12540, 14410, 14934, 15884, 17292, 19855, 21615, 21660, 23826, 24890, 27379, 28820, 29868, 37335, 39710, 43230, 47291, 47652, 49780, 54758, 59565, 74670, 79420, 82137, 86460, 94582, 109516, 119130, 136895, 141873, 149340, 164274, 189164, 236455, 238260, 273790, 283746, 328548, 410685, 472910, 520201, 547580, 567492, 709365, 821370, 945820, 1040402, 1418730, 1560603, 1642740, 2080804, 2601005, 2837460, 3121206, 5202010, 6242412, 7803015, 10404020, 15606030, 31212060]

約数ペア:

[(1, 31212060), (2, 15606030), (3, 10404020), (4, 7803015), (5, 6242412), (6, 5202010), (10, 3121206), (11, 2837460), (12, 2601005), (15, 2080804), (19, 1642740), (20, 1560603), (22, 1418730), (30, 1040402), (33, 945820), (38, 821370), (44, 709365), (55, 567492), (57, 547580), (60, 520201), (66, 472910), (76, 410685), (95, 328548), (110, 283746), (114, 273790), (131, 238260), (132, 236455), (165, 189164), (190, 164274), (209, 149340), (220, 141873), (228, 136895), (262, 119130), (285, 109516), (330, 94582), (361, 86460), (380, 82137), (393, 79420), (418, 74670), (524, 59565), (570, 54758), (627, 49780), (655, 47652), (660, 47291), (722, 43230), (786, 39710), (836, 37335), (1045, 29868), (1083, 28820), (1140, 27379), (1254, 24890), (1310, 23826), (1441, 21660), (1444, 21615), (1572, 19855), (1805, 17292), (1965, 15884), (2090, 14934), (2166, 14410), (2489, 12540), (2508, 12445), (2620, 11913), (2882, 10830), (3135, 9956), (3610, 8646), (3930, 7942), (3971, 7860), (4180, 7467), (4323, 7220), (4332, 7205), (4978, 6270), (5415, 5764)]