21150018720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{773027}}^1$

素因数の和:773067

約数の個数: 144

約数和(自身を含む): 75973191840

約数和(自身を除く): 54823173120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 3040, 3420, 4560, 5472, 6840, 9120, 13680, 27360, 773027, 1546054, 2319081, 3092108, 3865135, 4638162, 6184216, 6957243, 7730270, 9276324, 11595405, 12368432, 13914486, 14687513, 15460540, 18552648, 23190810, 24736864, 27828972, 29375026, 30921080, 34786215, 37105296, 44062539, 46381620, 55657944, 58750052, 61842160, 69572430, 73437565, 74210592, 88125078, 92763240, 111315888, 117500104, 123684320, 132187617, 139144860, 146875130, 176250156, 185526480, 220312695, 222631776, 235000208, 264375234, 278289720, 293750260, 352500312, 371052960, 440625390, 470000416, 528750468, 556579440, 587500520, 660938085, 705000624, 881250780, 1057500936, 1113158880, 1175001040, 1321876170, 1410001248, 1762501560, 2115001872, 2350002080, 2643752340, 3525003120, 4230003744, 5287504680, 7050006240, 10575009360, 21150018720]

約数ペア:

[(1, 21150018720), (2, 10575009360), (3, 7050006240), (4, 5287504680), (5, 4230003744), (6, 3525003120), (8, 2643752340), (9, 2350002080), (10, 2115001872), (12, 1762501560), (15, 1410001248), (16, 1321876170), (18, 1175001040), (19, 1113158880), (20, 1057500936), (24, 881250780), (30, 705000624), (32, 660938085), (36, 587500520), (38, 556579440), (40, 528750468), (45, 470000416), (48, 440625390), (57, 371052960), (60, 352500312), (72, 293750260), (76, 278289720), (80, 264375234), (90, 235000208), (95, 222631776), (96, 220312695), (114, 185526480), (120, 176250156), (144, 146875130), (152, 139144860), (160, 132187617), (171, 123684320), (180, 117500104), (190, 111315888), (228, 92763240), (240, 88125078), (285, 74210592), (288, 73437565), (304, 69572430), (342, 61842160), (360, 58750052), (380, 55657944), (456, 46381620), (480, 44062539), (570, 37105296), (608, 34786215), (684, 30921080), (720, 29375026), (760, 27828972), (855, 24736864), (912, 23190810), (1140, 18552648), (1368, 15460540), (1440, 14687513), (1520, 13914486), (1710, 12368432), (1824, 11595405), (2280, 9276324), (2736, 7730270), (3040, 6957243), (3420, 6184216), (4560, 4638162), (5472, 3865135), (6840, 3092108), (9120, 2319081), (13680, 1546054), (27360, 773027)]