21040765920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{2287}}^1\times {\mathrm{6389}}^1$

素因数の和:8697

約数の個数: 144

約数和(自身を含む): 71844252480

約数和(自身を除く): 50803486560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 2287, 4574, 6389, 6861, 9148, 11435, 12778, 13722, 18296, 19167, 20583, 22870, 25556, 27444, 31945, 34305, 36592, 38334, 41166, 45740, 51112, 54888, 57501, 63890, 68610, 73184, 76668, 82332, 91480, 95835, 102224, 102915, 109776, 115002, 127780, 137220, 153336, 164664, 182960, 191670, 204448, 205830, 219552, 230004, 255560, 274440, 287505, 306672, 329328, 365920, 383340, 411660, 460008, 511120, 548880, 575010, 613344, 658656, 766680, 823320, 920016, 1022240, 1097760, 1150020, 1533360, 1646640, 1840032, 2300040, 3066720, 3293280, 4600080, 9200160, 14611643, 29223286, 43834929, 58446572, 73058215, 87669858, 116893144, 131504787, 146116430, 175339716, 219174645, 233786288, 263009574, 292232860, 350679432, 438349290, 467572576, 526019148, 584465720, 657523935, 701358864, 876698580, 1052038296, 1168931440, 1315047870, 1402717728, 1753397160, 2104076592, 2337862880, 2630095740, 3506794320, 4208153184, 5260191480, 7013588640, 10520382960, 21040765920]

約数ペア:

[(1, 21040765920), (2, 10520382960), (3, 7013588640), (4, 5260191480), (5, 4208153184), (6, 3506794320), (8, 2630095740), (9, 2337862880), (10, 2104076592), (12, 1753397160), (15, 1402717728), (16, 1315047870), (18, 1168931440), (20, 1052038296), (24, 876698580), (30, 701358864), (32, 657523935), (36, 584465720), (40, 526019148), (45, 467572576), (48, 438349290), (60, 350679432), (72, 292232860), (80, 263009574), (90, 233786288), (96, 219174645), (120, 175339716), (144, 146116430), (160, 131504787), (180, 116893144), (240, 87669858), (288, 73058215), (360, 58446572), (480, 43834929), (720, 29223286), (1440, 14611643), (2287, 9200160), (4574, 4600080), (6389, 3293280), (6861, 3066720), (9148, 2300040), (11435, 1840032), (12778, 1646640), (13722, 1533360), (18296, 1150020), (19167, 1097760), (20583, 1022240), (22870, 920016), (25556, 823320), (27444, 766680), (31945, 658656), (34305, 613344), (36592, 575010), (38334, 548880), (41166, 511120), (45740, 460008), (51112, 411660), (54888, 383340), (57501, 365920), (63890, 329328), (68610, 306672), (73184, 287505), (76668, 274440), (82332, 255560), (91480, 230004), (95835, 219552), (102224, 205830), (102915, 204448), (109776, 191670), (115002, 182960), (127780, 164664), (137220, 153336)]