15867280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:129

約数の個数: 160

約数和(自身を含む): 46247040

約数和(自身を除く): 30379760

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 73, 76, 80, 88, 95, 104, 110, 130, 143, 146, 152, 176, 190, 208, 209, 220, 247, 260, 286, 292, 304, 365, 380, 418, 440, 494, 520, 572, 584, 715, 730, 760, 803, 836, 880, 949, 988, 1040, 1045, 1144, 1168, 1235, 1387, 1430, 1460, 1520, 1606, 1672, 1898, 1976, 2090, 2288, 2470, 2717, 2774, 2860, 2920, 3212, 3344, 3796, 3952, 4015, 4180, 4745, 4940, 5434, 5548, 5720, 5840, 6424, 6935, 7592, 8030, 8360, 9490, 9880, 10439, 10868, 11096, 11440, 12848, 13585, 13870, 15184, 15257, 16060, 16720, 18031, 18980, 19760, 20878, 21736, 22192, 27170, 27740, 30514, 32120, 36062, 37960, 41756, 43472, 52195, 54340, 55480, 61028, 64240, 72124, 75920, 76285, 83512, 90155, 104390, 108680, 110960, 122056, 144248, 152570, 167024, 180310, 198341, 208780, 217360, 244112, 288496, 305140, 360620, 396682, 417560, 610280, 721240, 793364, 835120, 991705, 1220560, 1442480, 1586728, 1983410, 3173456, 3966820, 7933640, 15867280]

約数ペア:

[(1, 15867280), (2, 7933640), (4, 3966820), (5, 3173456), (8, 1983410), (10, 1586728), (11, 1442480), (13, 1220560), (16, 991705), (19, 835120), (20, 793364), (22, 721240), (26, 610280), (38, 417560), (40, 396682), (44, 360620), (52, 305140), (55, 288496), (65, 244112), (73, 217360), (76, 208780), (80, 198341), (88, 180310), (95, 167024), (104, 152570), (110, 144248), (130, 122056), (143, 110960), (146, 108680), (152, 104390), (176, 90155), (190, 83512), (208, 76285), (209, 75920), (220, 72124), (247, 64240), (260, 61028), (286, 55480), (292, 54340), (304, 52195), (365, 43472), (380, 41756), (418, 37960), (440, 36062), (494, 32120), (520, 30514), (572, 27740), (584, 27170), (715, 22192), (730, 21736), (760, 20878), (803, 19760), (836, 18980), (880, 18031), (949, 16720), (988, 16060), (1040, 15257), (1045, 15184), (1144, 13870), (1168, 13585), (1235, 12848), (1387, 11440), (1430, 11096), (1460, 10868), (1520, 10439), (1606, 9880), (1672, 9490), (1898, 8360), (1976, 8030), (2090, 7592), (2288, 6935), (2470, 6424), (2717, 5840), (2774, 5720), (2860, 5548), (2920, 5434), (3212, 4940), (3344, 4745), (3796, 4180), (3952, 4015)]