64761120

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:309

約数の個数: 240

約数和(自身を含む): 241496640

約数和(自身を除く): 176735520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 216, 228, 240, 263, 270, 285, 288, 304, 324, 342, 360, 380, 405, 432, 456, 480, 513, 526, 540, 570, 608, 648, 684, 720, 760, 789, 810, 855, 864, 912, 1026, 1052, 1080, 1140, 1296, 1315, 1368, 1440, 1520, 1539, 1578, 1620, 1710, 1824, 2052, 2104, 2160, 2280, 2367, 2565, 2592, 2630, 2736, 3040, 3078, 3156, 3240, 3420, 3945, 4104, 4208, 4320, 4560, 4734, 4997, 5130, 5260, 5472, 6156, 6312, 6480, 6840, 7101, 7695, 7890, 8208, 8416, 9120, 9468, 9994, 10260, 10520, 11835, 12312, 12624, 12960, 13680, 14202, 14991, 15390, 15780, 16416, 18936, 19988, 20520, 21040, 21303, 23670, 24624, 24985, 25248, 27360, 28404, 29982, 30780, 31560, 35505, 37872, 39976, 41040, 42080, 42606, 44973, 47340, 49248, 49970, 56808, 59964, 61560, 63120, 71010, 74955, 75744, 79952, 82080, 85212, 89946, 94680, 99940, 106515, 113616, 119928, 123120, 126240, 134919, 142020, 149910, 159904, 170424, 179892, 189360, 199880, 213030, 224865, 227232, 239856, 246240, 269838, 284040, 299820, 340848, 359784, 378720, 399760, 404757, 426060, 449730, 479712, 539676, 568080, 599640, 674595, 681696, 719568, 799520, 809514, 852120, 899460, 1079352, 1136160, 1199280, 1349190, 1439136, 1619028, 1704240, 1798920, 2023785, 2158704, 2398560, 2698380, 3238056, 3408480, 3597840, 4047570, 4317408, 5396760, 6476112, 7195680, 8095140, 10793520, 12952224, 16190280, 21587040, 32380560, 64761120]

約数ペア:

[(1, 64761120), (2, 32380560), (3, 21587040), (4, 16190280), (5, 12952224), (6, 10793520), (8, 8095140), (9, 7195680), (10, 6476112), (12, 5396760), (15, 4317408), (16, 4047570), (18, 3597840), (19, 3408480), (20, 3238056), (24, 2698380), (27, 2398560), (30, 2158704), (32, 2023785), (36, 1798920), (38, 1704240), (40, 1619028), (45, 1439136), (48, 1349190), (54, 1199280), (57, 1136160), (60, 1079352), (72, 899460), (76, 852120), (80, 809514), (81, 799520), (90, 719568), (95, 681696), (96, 674595), (108, 599640), (114, 568080), (120, 539676), (135, 479712), (144, 449730), (152, 426060), (160, 404757), (162, 399760), (171, 378720), (180, 359784), (190, 340848), (216, 299820), (228, 284040), (240, 269838), (263, 246240), (270, 239856), (285, 227232), (288, 224865), (304, 213030), (324, 199880), (342, 189360), (360, 179892), (380, 170424), (405, 159904), (432, 149910), (456, 142020), (480, 134919), (513, 126240), (526, 123120), (540, 119928), (570, 113616), (608, 106515), (648, 99940), (684, 94680), (720, 89946), (760, 85212), (789, 82080), (810, 79952), (855, 75744), (864, 74955), (912, 71010), (1026, 63120), (1052, 61560), (1080, 59964), (1140, 56808), (1296, 49970), (1315, 49248), (1368, 47340), (1440, 44973), (1520, 42606), (1539, 42080), (1578, 41040), (1620, 39976), (1710, 37872), (1824, 35505), (2052, 31560), (2104, 30780), (2160, 29982), (2280, 28404), (2367, 27360), (2565, 25248), (2592, 24985), (2630, 24624), (2736, 23670), (3040, 21303), (3078, 21040), (3156, 20520), (3240, 19988), (3420, 18936), (3945, 16416), (4104, 15780), (4208, 15390), (4320, 14991), (4560, 14202), (4734, 13680), (4997, 12960), (5130, 12624), (5260, 12312), (5472, 11835), (6156, 10520), (6312, 10260), (6480, 9994), (6840, 9468), (7101, 9120), (7695, 8416), (7890, 8208)]