72815600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 240

約数和(自身を含む): 219569280

約数和(自身を除く): 146753680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 25, 26, 38, 40, 44, 50, 52, 55, 65, 67, 76, 80, 88, 95, 100, 104, 110, 130, 134, 143, 152, 176, 190, 200, 208, 209, 220, 247, 260, 268, 275, 286, 304, 325, 335, 380, 400, 418, 440, 475, 494, 520, 536, 550, 572, 650, 670, 715, 737, 760, 836, 871, 880, 950, 988, 1040, 1045, 1072, 1100, 1144, 1235, 1273, 1300, 1340, 1430, 1474, 1520, 1672, 1675, 1742, 1900, 1976, 2090, 2200, 2288, 2470, 2546, 2600, 2680, 2717, 2860, 2948, 3344, 3350, 3484, 3575, 3685, 3800, 3952, 4180, 4355, 4400, 4940, 5092, 5200, 5225, 5360, 5434, 5720, 5896, 6175, 6365, 6700, 6968, 7150, 7370, 7600, 8360, 8710, 9581, 9880, 10184, 10450, 10868, 11440, 11792, 12350, 12730, 13400, 13585, 13936, 14003, 14300, 14740, 16549, 16720, 17420, 18425, 19162, 19760, 20368, 20900, 21736, 21775, 24700, 25460, 26800, 27170, 28006, 28600, 29480, 31825, 33098, 34840, 36850, 38324, 41800, 43472, 43550, 47905, 49400, 50920, 54340, 56012, 57200, 58960, 63650, 66196, 67925, 69680, 70015, 73700, 76648, 82745, 83600, 87100, 95810, 98800, 101840, 108680, 112024, 127300, 132392, 135850, 140030, 147400, 153296, 165490, 174200, 182039, 191620, 217360, 224048, 239525, 254600, 264784, 271700, 280060, 294800, 330980, 348400, 350075, 364078, 383240, 413725, 479050, 509200, 543400, 560120, 661960, 700150, 728156, 766480, 827450, 910195, 958100, 1086800, 1120240, 1323920, 1400300, 1456312, 1654900, 1820390, 1916200, 2800600, 2912624, 3309800, 3640780, 3832400, 4550975, 5601200, 6619600, 7281560, 9101950, 14563120, 18203900, 36407800, 72815600]

約数ペア:

[(1, 72815600), (2, 36407800), (4, 18203900), (5, 14563120), (8, 9101950), (10, 7281560), (11, 6619600), (13, 5601200), (16, 4550975), (19, 3832400), (20, 3640780), (22, 3309800), (25, 2912624), (26, 2800600), (38, 1916200), (40, 1820390), (44, 1654900), (50, 1456312), (52, 1400300), (55, 1323920), (65, 1120240), (67, 1086800), (76, 958100), (80, 910195), (88, 827450), (95, 766480), (100, 728156), (104, 700150), (110, 661960), (130, 560120), (134, 543400), (143, 509200), (152, 479050), (176, 413725), (190, 383240), (200, 364078), (208, 350075), (209, 348400), (220, 330980), (247, 294800), (260, 280060), (268, 271700), (275, 264784), (286, 254600), (304, 239525), (325, 224048), (335, 217360), (380, 191620), (400, 182039), (418, 174200), (440, 165490), (475, 153296), (494, 147400), (520, 140030), (536, 135850), (550, 132392), (572, 127300), (650, 112024), (670, 108680), (715, 101840), (737, 98800), (760, 95810), (836, 87100), (871, 83600), (880, 82745), (950, 76648), (988, 73700), (1040, 70015), (1045, 69680), (1072, 67925), (1100, 66196), (1144, 63650), (1235, 58960), (1273, 57200), (1300, 56012), (1340, 54340), (1430, 50920), (1474, 49400), (1520, 47905), (1672, 43550), (1675, 43472), (1742, 41800), (1900, 38324), (1976, 36850), (2090, 34840), (2200, 33098), (2288, 31825), (2470, 29480), (2546, 28600), (2600, 28006), (2680, 27170), (2717, 26800), (2860, 25460), (2948, 24700), (3344, 21775), (3350, 21736), (3484, 20900), (3575, 20368), (3685, 19760), (3800, 19162), (3952, 18425), (4180, 17420), (4355, 16720), (4400, 16549), (4940, 14740), (5092, 14300), (5200, 14003), (5225, 13936), (5360, 13585), (5434, 13400), (5720, 12730), (5896, 12350), (6175, 11792), (6365, 11440), (6700, 10868), (6968, 10450), (7150, 10184), (7370, 9880), (7600, 9581), (8360, 8710)]