991462640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:479

約数の個数: 160

約数和(自身を含む): 2713159680

約数和(自身を除く): 1721697040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 79, 80, 112, 140, 146, 158, 280, 292, 307, 316, 365, 395, 511, 553, 560, 584, 614, 632, 730, 790, 1022, 1106, 1168, 1228, 1264, 1460, 1535, 1580, 2044, 2149, 2212, 2456, 2555, 2765, 2920, 3070, 3160, 4088, 4298, 4424, 4912, 5110, 5530, 5767, 5840, 6140, 6320, 8176, 8596, 8848, 10220, 10745, 11060, 11534, 12280, 17192, 20440, 21490, 22120, 22411, 23068, 24253, 24560, 28835, 34384, 40369, 40880, 42980, 44240, 44822, 46136, 48506, 57670, 80738, 85960, 89644, 92272, 97012, 112055, 115340, 121265, 156877, 161476, 169771, 171920, 179288, 194024, 201845, 224110, 230680, 242530, 313754, 322952, 339542, 358576, 388048, 403690, 448220, 461360, 485060, 627508, 645904, 679084, 784385, 807380, 848855, 896440, 970120, 1255016, 1358168, 1568770, 1614760, 1697710, 1770469, 1792880, 1940240, 2510032, 2716336, 3137540, 3229520, 3395420, 3540938, 6275080, 6790840, 7081876, 8852345, 12393283, 12550160, 13581680, 14163752, 17704690, 24786566, 28327504, 35409380, 49573132, 61966415, 70818760, 99146264, 123932830, 141637520, 198292528, 247865660, 495731320, 991462640]

約数ペア:

[(1, 991462640), (2, 495731320), (4, 247865660), (5, 198292528), (7, 141637520), (8, 123932830), (10, 99146264), (14, 70818760), (16, 61966415), (20, 49573132), (28, 35409380), (35, 28327504), (40, 24786566), (56, 17704690), (70, 14163752), (73, 13581680), (79, 12550160), (80, 12393283), (112, 8852345), (140, 7081876), (146, 6790840), (158, 6275080), (280, 3540938), (292, 3395420), (307, 3229520), (316, 3137540), (365, 2716336), (395, 2510032), (511, 1940240), (553, 1792880), (560, 1770469), (584, 1697710), (614, 1614760), (632, 1568770), (730, 1358168), (790, 1255016), (1022, 970120), (1106, 896440), (1168, 848855), (1228, 807380), (1264, 784385), (1460, 679084), (1535, 645904), (1580, 627508), (2044, 485060), (2149, 461360), (2212, 448220), (2456, 403690), (2555, 388048), (2765, 358576), (2920, 339542), (3070, 322952), (3160, 313754), (4088, 242530), (4298, 230680), (4424, 224110), (4912, 201845), (5110, 194024), (5530, 179288), (5767, 171920), (5840, 169771), (6140, 161476), (6320, 156877), (8176, 121265), (8596, 115340), (8848, 112055), (10220, 97012), (10745, 92272), (11060, 89644), (11534, 85960), (12280, 80738), (17192, 57670), (20440, 48506), (21490, 46136), (22120, 44822), (22411, 44240), (23068, 42980), (24253, 40880), (24560, 40369), (28835, 34384)]