405461520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:422

約数の個数: 240

約数和(自身を含む): 1451960640

約数和(自身を除く): 1046499120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 107, 114, 120, 144, 152, 171, 180, 190, 214, 228, 240, 277, 285, 304, 321, 342, 360, 380, 428, 456, 535, 554, 570, 642, 684, 720, 760, 831, 855, 856, 912, 963, 1070, 1108, 1140, 1284, 1368, 1385, 1520, 1605, 1662, 1710, 1712, 1926, 2033, 2140, 2216, 2280, 2493, 2568, 2736, 2770, 3210, 3324, 3420, 3852, 4066, 4155, 4280, 4432, 4560, 4815, 4986, 5136, 5263, 5540, 6099, 6420, 6648, 6840, 7704, 8132, 8310, 8560, 9630, 9972, 10165, 10526, 11080, 12198, 12465, 12840, 13296, 13680, 15408, 15789, 16264, 16620, 18297, 19260, 19944, 20330, 21052, 22160, 24396, 24930, 25680, 26315, 29639, 30495, 31578, 32528, 33240, 36594, 38520, 39888, 40660, 42104, 47367, 48792, 49860, 52630, 59278, 60990, 63156, 66480, 73188, 77040, 78945, 81320, 84208, 88917, 91485, 94734, 97584, 99720, 105260, 118556, 121980, 126312, 146376, 148195, 157890, 162640, 177834, 182970, 189468, 199440, 210520, 236835, 237112, 243960, 252624, 266751, 292752, 296390, 315780, 355668, 365940, 378936, 421040, 444585, 473670, 474224, 487920, 533502, 563141, 592780, 631560, 711336, 731880, 757872, 889170, 947340, 1067004, 1126282, 1185560, 1263120, 1333755, 1422672, 1463760, 1689423, 1778340, 1894680, 2134008, 2252564, 2371120, 2667510, 2815705, 3378846, 3556680, 3789360, 4268016, 4505128, 5068269, 5335020, 5631410, 6757692, 7113360, 8447115, 9010256, 10136538, 10670040, 11262820, 13515384, 16894230, 20273076, 21340080, 22525640, 25341345, 27030768, 33788460, 40546152, 45051280, 50682690, 67576920, 81092304, 101365380, 135153840, 202730760, 405461520]

約数ペア:

[(1, 405461520), (2, 202730760), (3, 135153840), (4, 101365380), (5, 81092304), (6, 67576920), (8, 50682690), (9, 45051280), (10, 40546152), (12, 33788460), (15, 27030768), (16, 25341345), (18, 22525640), (19, 21340080), (20, 20273076), (24, 16894230), (30, 13515384), (36, 11262820), (38, 10670040), (40, 10136538), (45, 9010256), (48, 8447115), (57, 7113360), (60, 6757692), (72, 5631410), (76, 5335020), (80, 5068269), (90, 4505128), (95, 4268016), (107, 3789360), (114, 3556680), (120, 3378846), (144, 2815705), (152, 2667510), (171, 2371120), (180, 2252564), (190, 2134008), (214, 1894680), (228, 1778340), (240, 1689423), (277, 1463760), (285, 1422672), (304, 1333755), (321, 1263120), (342, 1185560), (360, 1126282), (380, 1067004), (428, 947340), (456, 889170), (535, 757872), (554, 731880), (570, 711336), (642, 631560), (684, 592780), (720, 563141), (760, 533502), (831, 487920), (855, 474224), (856, 473670), (912, 444585), (963, 421040), (1070, 378936), (1108, 365940), (1140, 355668), (1284, 315780), (1368, 296390), (1385, 292752), (1520, 266751), (1605, 252624), (1662, 243960), (1710, 237112), (1712, 236835), (1926, 210520), (2033, 199440), (2140, 189468), (2216, 182970), (2280, 177834), (2493, 162640), (2568, 157890), (2736, 148195), (2770, 146376), (3210, 126312), (3324, 121980), (3420, 118556), (3852, 105260), (4066, 99720), (4155, 97584), (4280, 94734), (4432, 91485), (4560, 88917), (4815, 84208), (4986, 81320), (5136, 78945), (5263, 77040), (5540, 73188), (6099, 66480), (6420, 63156), (6648, 60990), (6840, 59278), (7704, 52630), (8132, 49860), (8310, 48792), (8560, 47367), (9630, 42104), (9972, 40660), (10165, 39888), (10526, 38520), (11080, 36594), (12198, 33240), (12465, 32528), (12840, 31578), (13296, 30495), (13680, 29639), (15408, 26315), (15789, 25680), (16264, 24930), (16620, 24396), (18297, 22160), (19260, 21052), (19944, 20330)]