31998060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 103783680

約数和(自身を除く): 71785620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 59, 60, 69, 90, 92, 115, 118, 131, 138, 177, 180, 207, 230, 236, 262, 276, 295, 345, 354, 393, 414, 460, 524, 531, 590, 655, 690, 708, 786, 828, 885, 1035, 1062, 1179, 1180, 1310, 1357, 1380, 1572, 1770, 1965, 2070, 2124, 2358, 2620, 2655, 2714, 3013, 3540, 3930, 4071, 4140, 4716, 5310, 5428, 5895, 6026, 6785, 7729, 7860, 8142, 9039, 10620, 11790, 12052, 12213, 13570, 15065, 15458, 16284, 18078, 20355, 23187, 23580, 24426, 27117, 27140, 30130, 30916, 36156, 38645, 40710, 45195, 46374, 48852, 54234, 60260, 61065, 69561, 77290, 81420, 90390, 92748, 108468, 115935, 122130, 135585, 139122, 154580, 177767, 180780, 231870, 244260, 271170, 278244, 347805, 355534, 463740, 533301, 542340, 695610, 711068, 888835, 1066602, 1391220, 1599903, 1777670, 2133204, 2666505, 3199806, 3555340, 5333010, 6399612, 7999515, 10666020, 15999030, 31998060]

約数ペア:

[(1, 31998060), (2, 15999030), (3, 10666020), (4, 7999515), (5, 6399612), (6, 5333010), (9, 3555340), (10, 3199806), (12, 2666505), (15, 2133204), (18, 1777670), (20, 1599903), (23, 1391220), (30, 1066602), (36, 888835), (45, 711068), (46, 695610), (59, 542340), (60, 533301), (69, 463740), (90, 355534), (92, 347805), (115, 278244), (118, 271170), (131, 244260), (138, 231870), (177, 180780), (180, 177767), (207, 154580), (230, 139122), (236, 135585), (262, 122130), (276, 115935), (295, 108468), (345, 92748), (354, 90390), (393, 81420), (414, 77290), (460, 69561), (524, 61065), (531, 60260), (590, 54234), (655, 48852), (690, 46374), (708, 45195), (786, 40710), (828, 38645), (885, 36156), (1035, 30916), (1062, 30130), (1179, 27140), (1180, 27117), (1310, 24426), (1357, 23580), (1380, 23187), (1572, 20355), (1770, 18078), (1965, 16284), (2070, 15458), (2124, 15065), (2358, 13570), (2620, 12213), (2655, 12052), (2714, 11790), (3013, 10620), (3540, 9039), (3930, 8142), (4071, 7860), (4140, 7729), (4716, 6785), (5310, 6026), (5428, 5895)]