20817778800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{190639}}^1$

素因数の和:190680

約数の個数: 240

約数和(自身を含む): 82075857920

約数和(自身を除く): 61258079120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 25, 26, 28, 30, 35, 39, 40, 42, 48, 50, 52, 56, 60, 65, 70, 75, 78, 80, 84, 91, 100, 104, 105, 112, 120, 130, 140, 150, 156, 168, 175, 182, 195, 200, 208, 210, 240, 260, 273, 280, 300, 312, 325, 336, 350, 364, 390, 400, 420, 455, 520, 525, 546, 560, 600, 624, 650, 700, 728, 780, 840, 910, 975, 1040, 1050, 1092, 1200, 1300, 1365, 1400, 1456, 1560, 1680, 1820, 1950, 2100, 2184, 2275, 2600, 2730, 2800, 3120, 3640, 3900, 4200, 4368, 4550, 5200, 5460, 6825, 7280, 7800, 8400, 9100, 10920, 13650, 15600, 18200, 21840, 27300, 36400, 54600, 109200, 190639, 381278, 571917, 762556, 953195, 1143834, 1334473, 1525112, 1906390, 2287668, 2478307, 2668946, 2859585, 3050224, 3812780, 4003419, 4575336, 4765975, 4956614, 5337892, 5719170, 6672365, 7434921, 7625560, 8006838, 9150672, 9531950, 9913228, 10675784, 11438340, 12391535, 13344730, 14297925, 14869842, 15251120, 16013676, 17348149, 19063900, 19826456, 20017095, 21351568, 22876680, 24783070, 26689460, 28595850, 29739684, 32027352, 33361825, 34696298, 37174605, 38127800, 39652912, 40034190, 45753360, 49566140, 52044447, 53378920, 57191700, 59479368, 61957675, 64054704, 66723650, 69392596, 74349210, 76255600, 80068380, 86740745, 99132280, 100085475, 104088894, 106757840, 114383400, 118958736, 123915350, 133447300, 138785192, 148698420, 160136760, 173481490, 185873025, 198264560, 200170950, 208177788, 228766800, 247830700, 260222235, 266894600, 277570384, 297396840, 320273520, 346962980, 371746050, 400341900, 416355576, 433703725, 495661400, 520444470, 533789200, 594793680, 693925960, 743492100, 800683800, 832711152, 867407450, 991322800, 1040888940, 1301111175, 1387851920, 1486984200, 1601367600, 1734814900, 2081777880, 2602222350, 2973968400, 3469629800, 4163555760, 5204444700, 6939259600, 10408889400, 20817778800]

約数ペア:

[(1, 20817778800), (2, 10408889400), (3, 6939259600), (4, 5204444700), (5, 4163555760), (6, 3469629800), (7, 2973968400), (8, 2602222350), (10, 2081777880), (12, 1734814900), (13, 1601367600), (14, 1486984200), (15, 1387851920), (16, 1301111175), (20, 1040888940), (21, 991322800), (24, 867407450), (25, 832711152), (26, 800683800), (28, 743492100), (30, 693925960), (35, 594793680), (39, 533789200), (40, 520444470), (42, 495661400), (48, 433703725), (50, 416355576), (52, 400341900), (56, 371746050), (60, 346962980), (65, 320273520), (70, 297396840), (75, 277570384), (78, 266894600), (80, 260222235), (84, 247830700), (91, 228766800), (100, 208177788), (104, 200170950), (105, 198264560), (112, 185873025), (120, 173481490), (130, 160136760), (140, 148698420), (150, 138785192), (156, 133447300), (168, 123915350), (175, 118958736), (182, 114383400), (195, 106757840), (200, 104088894), (208, 100085475), (210, 99132280), (240, 86740745), (260, 80068380), (273, 76255600), (280, 74349210), (300, 69392596), (312, 66723650), (325, 64054704), (336, 61957675), (350, 59479368), (364, 57191700), (390, 53378920), (400, 52044447), (420, 49566140), (455, 45753360), (520, 40034190), (525, 39652912), (546, 38127800), (560, 37174605), (600, 34696298), (624, 33361825), (650, 32027352), (700, 29739684), (728, 28595850), (780, 26689460), (840, 24783070), (910, 22876680), (975, 21351568), (1040, 20017095), (1050, 19826456), (1092, 19063900), (1200, 17348149), (1300, 16013676), (1365, 15251120), (1400, 14869842), (1456, 14297925), (1560, 13344730), (1680, 12391535), (1820, 11438340), (1950, 10675784), (2100, 9913228), (2184, 9531950), (2275, 9150672), (2600, 8006838), (2730, 7625560), (2800, 7434921), (3120, 6672365), (3640, 5719170), (3900, 5337892), (4200, 4956614), (4368, 4765975), (4550, 4575336), (5200, 4003419), (5460, 3812780), (6825, 3050224), (7280, 2859585), (7800, 2668946), (8400, 2478307), (9100, 2287668), (10920, 1906390), (13650, 1525112), (15600, 1334473), (18200, 1143834), (21840, 953195), (27300, 762556), (36400, 571917), (54600, 381278), (109200, 190639)]