521424720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{37}}^2$

素因数の和:139

約数の個数: 270

約数和(自身を含む): 1881375678

約数和(自身を除く): 1359950958

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 37, 40, 45, 46, 48, 60, 69, 72, 74, 80, 90, 92, 111, 115, 120, 138, 144, 148, 180, 184, 185, 207, 222, 230, 240, 276, 296, 333, 345, 360, 368, 370, 414, 444, 460, 529, 552, 555, 592, 666, 690, 720, 740, 828, 851, 888, 920, 1035, 1058, 1104, 1110, 1332, 1369, 1380, 1480, 1587, 1656, 1665, 1702, 1776, 1840, 2070, 2116, 2220, 2553, 2645, 2664, 2738, 2760, 2960, 3174, 3312, 3330, 3404, 4107, 4140, 4232, 4255, 4440, 4761, 5106, 5290, 5328, 5476, 5520, 6348, 6660, 6808, 6845, 7659, 7935, 8214, 8280, 8464, 8510, 8880, 9522, 10212, 10580, 10952, 12321, 12696, 12765, 13320, 13616, 13690, 15318, 15870, 16428, 16560, 17020, 19044, 19573, 20424, 20535, 21160, 21904, 23805, 24642, 25392, 25530, 26640, 27380, 30636, 31487, 31740, 32856, 34040, 38088, 38295, 39146, 40848, 41070, 42320, 47610, 49284, 51060, 54760, 58719, 61272, 61605, 62974, 63480, 65712, 68080, 76176, 76590, 78292, 82140, 94461, 95220, 97865, 98568, 102120, 109520, 117438, 122544, 123210, 125948, 126960, 153180, 156584, 157435, 164280, 176157, 188922, 190440, 195730, 197136, 204240, 234876, 246420, 251896, 283383, 293595, 306360, 313168, 314870, 328560, 352314, 377844, 380880, 391460, 469752, 472305, 492840, 503792, 566766, 587190, 612720, 629740, 704628, 724201, 755688, 782920, 880785, 939504, 944610, 985680, 1133532, 1174380, 1259480, 1409256, 1416915, 1448402, 1511376, 1565840, 1761570, 1889220, 2172603, 2267064, 2348760, 2518960, 2818512, 2833830, 2896804, 3523140, 3621005, 3778440, 4345206, 4534128, 4697520, 5667660, 5793608, 6517809, 7046280, 7242010, 7556880, 8690412, 10863015, 11335320, 11587216, 13035618, 14092560, 14484020, 17380824, 21726030, 22670640, 26071236, 28968040, 32589045, 34761648, 43452060, 52142472, 57936080, 65178090, 86904120, 104284944, 130356180, 173808240, 260712360, 521424720]

約数ペア:

[(1, 521424720), (2, 260712360), (3, 173808240), (4, 130356180), (5, 104284944), (6, 86904120), (8, 65178090), (9, 57936080), (10, 52142472), (12, 43452060), (15, 34761648), (16, 32589045), (18, 28968040), (20, 26071236), (23, 22670640), (24, 21726030), (30, 17380824), (36, 14484020), (37, 14092560), (40, 13035618), (45, 11587216), (46, 11335320), (48, 10863015), (60, 8690412), (69, 7556880), (72, 7242010), (74, 7046280), (80, 6517809), (90, 5793608), (92, 5667660), (111, 4697520), (115, 4534128), (120, 4345206), (138, 3778440), (144, 3621005), (148, 3523140), (180, 2896804), (184, 2833830), (185, 2818512), (207, 2518960), (222, 2348760), (230, 2267064), (240, 2172603), (276, 1889220), (296, 1761570), (333, 1565840), (345, 1511376), (360, 1448402), (368, 1416915), (370, 1409256), (414, 1259480), (444, 1174380), (460, 1133532), (529, 985680), (552, 944610), (555, 939504), (592, 880785), (666, 782920), (690, 755688), (720, 724201), (740, 704628), (828, 629740), (851, 612720), (888, 587190), (920, 566766), (1035, 503792), (1058, 492840), (1104, 472305), (1110, 469752), (1332, 391460), (1369, 380880), (1380, 377844), (1480, 352314), (1587, 328560), (1656, 314870), (1665, 313168), (1702, 306360), (1776, 293595), (1840, 283383), (2070, 251896), (2116, 246420), (2220, 234876), (2553, 204240), (2645, 197136), (2664, 195730), (2738, 190440), (2760, 188922), (2960, 176157), (3174, 164280), (3312, 157435), (3330, 156584), (3404, 153180), (4107, 126960), (4140, 125948), (4232, 123210), (4255, 122544), (4440, 117438), (4761, 109520), (5106, 102120), (5290, 98568), (5328, 97865), (5476, 95220), (5520, 94461), (6348, 82140), (6660, 78292), (6808, 76590), (6845, 76176), (7659, 68080), (7935, 65712), (8214, 63480), (8280, 62974), (8464, 61605), (8510, 61272), (8880, 58719), (9522, 54760), (10212, 51060), (10580, 49284), (10952, 47610), (12321, 42320), (12696, 41070), (12765, 40848), (13320, 39146), (13616, 38295), (13690, 38088), (15318, 34040), (15870, 32856), (16428, 31740), (16560, 31487), (17020, 30636), (19044, 27380), (19573, 26640), (20424, 25530), (20535, 25392), (21160, 24642), (21904, 23805)]