645244560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{467}}^1$

素因数の和:606

約数の個数: 240

約数和(自身を含む): 2308512960

約数和(自身を除く): 1663268400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 101, 114, 120, 144, 152, 171, 180, 190, 202, 228, 240, 285, 303, 304, 342, 360, 380, 404, 456, 467, 505, 570, 606, 684, 720, 760, 808, 855, 909, 912, 934, 1010, 1140, 1212, 1368, 1401, 1515, 1520, 1616, 1710, 1818, 1868, 1919, 2020, 2280, 2335, 2424, 2736, 2802, 3030, 3420, 3636, 3736, 3838, 4040, 4203, 4545, 4560, 4670, 4848, 5604, 5757, 6060, 6840, 7005, 7272, 7472, 7676, 8080, 8406, 8873, 9090, 9340, 9595, 11208, 11514, 12120, 13680, 14010, 14544, 15352, 16812, 17271, 17746, 18180, 18680, 19190, 21015, 22416, 23028, 24240, 26619, 28020, 28785, 30704, 33624, 34542, 35492, 36360, 37360, 38380, 42030, 44365, 46056, 47167, 53238, 56040, 57570, 67248, 69084, 70984, 72720, 76760, 79857, 84060, 86355, 88730, 92112, 94334, 106476, 112080, 115140, 133095, 138168, 141501, 141968, 153520, 159714, 168120, 172710, 177460, 188668, 212952, 230280, 235835, 266190, 276336, 283002, 319428, 336240, 345420, 354920, 377336, 399285, 424503, 425904, 460560, 471670, 532380, 566004, 638856, 690840, 707505, 709840, 754672, 798570, 849006, 896173, 943340, 1064760, 1132008, 1277712, 1381680, 1415010, 1597140, 1698012, 1792346, 1886680, 2122515, 2129520, 2264016, 2688519, 2830020, 3194280, 3396024, 3584692, 3773360, 4245030, 4480865, 5377038, 5660040, 6388560, 6792048, 7169384, 8065557, 8490060, 8961730, 10754076, 11320080, 13442595, 14338768, 16131114, 16980120, 17923460, 21508152, 26885190, 32262228, 33960240, 35846920, 40327785, 43016304, 53770380, 64524456, 71693840, 80655570, 107540760, 129048912, 161311140, 215081520, 322622280, 645244560]

約数ペア:

[(1, 645244560), (2, 322622280), (3, 215081520), (4, 161311140), (5, 129048912), (6, 107540760), (8, 80655570), (9, 71693840), (10, 64524456), (12, 53770380), (15, 43016304), (16, 40327785), (18, 35846920), (19, 33960240), (20, 32262228), (24, 26885190), (30, 21508152), (36, 17923460), (38, 16980120), (40, 16131114), (45, 14338768), (48, 13442595), (57, 11320080), (60, 10754076), (72, 8961730), (76, 8490060), (80, 8065557), (90, 7169384), (95, 6792048), (101, 6388560), (114, 5660040), (120, 5377038), (144, 4480865), (152, 4245030), (171, 3773360), (180, 3584692), (190, 3396024), (202, 3194280), (228, 2830020), (240, 2688519), (285, 2264016), (303, 2129520), (304, 2122515), (342, 1886680), (360, 1792346), (380, 1698012), (404, 1597140), (456, 1415010), (467, 1381680), (505, 1277712), (570, 1132008), (606, 1064760), (684, 943340), (720, 896173), (760, 849006), (808, 798570), (855, 754672), (909, 709840), (912, 707505), (934, 690840), (1010, 638856), (1140, 566004), (1212, 532380), (1368, 471670), (1401, 460560), (1515, 425904), (1520, 424503), (1616, 399285), (1710, 377336), (1818, 354920), (1868, 345420), (1919, 336240), (2020, 319428), (2280, 283002), (2335, 276336), (2424, 266190), (2736, 235835), (2802, 230280), (3030, 212952), (3420, 188668), (3636, 177460), (3736, 172710), (3838, 168120), (4040, 159714), (4203, 153520), (4545, 141968), (4560, 141501), (4670, 138168), (4848, 133095), (5604, 115140), (5757, 112080), (6060, 106476), (6840, 94334), (7005, 92112), (7272, 88730), (7472, 86355), (7676, 84060), (8080, 79857), (8406, 76760), (8873, 72720), (9090, 70984), (9340, 69084), (9595, 67248), (11208, 57570), (11514, 56040), (12120, 53238), (13680, 47167), (14010, 46056), (14544, 44365), (15352, 42030), (16812, 38380), (17271, 37360), (17746, 36360), (18180, 35492), (18680, 34542), (19190, 33624), (21015, 30704), (22416, 28785), (23028, 28020), (24240, 26619)]