640865160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3701}}^1$

素因数の和:3768

約数の個数: 192

約数和(自身を含む): 2304272880

約数和(自身を除く): 1663407720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 37, 39, 40, 45, 52, 60, 65, 72, 74, 78, 90, 104, 111, 117, 120, 130, 148, 156, 180, 185, 195, 222, 234, 260, 296, 312, 333, 360, 370, 390, 444, 468, 481, 520, 555, 585, 666, 740, 780, 888, 936, 962, 1110, 1170, 1332, 1443, 1480, 1560, 1665, 1924, 2220, 2340, 2405, 2664, 2886, 3330, 3701, 3848, 4329, 4440, 4680, 4810, 5772, 6660, 7215, 7402, 8658, 9620, 11103, 11544, 13320, 14430, 14804, 17316, 18505, 19240, 21645, 22206, 28860, 29608, 33309, 34632, 37010, 43290, 44412, 48113, 55515, 57720, 66618, 74020, 86580, 88824, 96226, 111030, 133236, 136937, 144339, 148040, 166545, 173160, 192452, 222060, 240565, 266472, 273874, 288678, 333090, 384904, 410811, 433017, 444120, 481130, 547748, 577356, 666180, 684685, 721695, 821622, 866034, 962260, 1095496, 1154712, 1232433, 1332360, 1369370, 1443390, 1643244, 1732068, 1780181, 1924520, 2054055, 2165085, 2464866, 2738740, 2886780, 3286488, 3464136, 3560362, 4108110, 4330170, 4929732, 5340543, 5477480, 5773560, 6162165, 7120724, 8216220, 8660340, 8900905, 9859464, 10681086, 12324330, 14241448, 16021629, 16432440, 17320680, 17801810, 21362172, 24648660, 26702715, 32043258, 35603620, 42724344, 49297320, 53405430, 64086516, 71207240, 80108145, 106810860, 128173032, 160216290, 213621720, 320432580, 640865160]

約数ペア:

[(1, 640865160), (2, 320432580), (3, 213621720), (4, 160216290), (5, 128173032), (6, 106810860), (8, 80108145), (9, 71207240), (10, 64086516), (12, 53405430), (13, 49297320), (15, 42724344), (18, 35603620), (20, 32043258), (24, 26702715), (26, 24648660), (30, 21362172), (36, 17801810), (37, 17320680), (39, 16432440), (40, 16021629), (45, 14241448), (52, 12324330), (60, 10681086), (65, 9859464), (72, 8900905), (74, 8660340), (78, 8216220), (90, 7120724), (104, 6162165), (111, 5773560), (117, 5477480), (120, 5340543), (130, 4929732), (148, 4330170), (156, 4108110), (180, 3560362), (185, 3464136), (195, 3286488), (222, 2886780), (234, 2738740), (260, 2464866), (296, 2165085), (312, 2054055), (333, 1924520), (360, 1780181), (370, 1732068), (390, 1643244), (444, 1443390), (468, 1369370), (481, 1332360), (520, 1232433), (555, 1154712), (585, 1095496), (666, 962260), (740, 866034), (780, 821622), (888, 721695), (936, 684685), (962, 666180), (1110, 577356), (1170, 547748), (1332, 481130), (1443, 444120), (1480, 433017), (1560, 410811), (1665, 384904), (1924, 333090), (2220, 288678), (2340, 273874), (2405, 266472), (2664, 240565), (2886, 222060), (3330, 192452), (3701, 173160), (3848, 166545), (4329, 148040), (4440, 144339), (4680, 136937), (4810, 133236), (5772, 111030), (6660, 96226), (7215, 88824), (7402, 86580), (8658, 74020), (9620, 66618), (11103, 57720), (11544, 55515), (13320, 48113), (14430, 44412), (14804, 43290), (17316, 37010), (18505, 34632), (19240, 33309), (21645, 29608), (22206, 28860)]