307808800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1741}}^1$

素因数の和:1791

約数の個数: 144

約数和(自身を含む): 857335752

約数和(自身を除く): 549526952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 32, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 130, 136, 160, 170, 200, 208, 221, 260, 272, 325, 340, 400, 416, 425, 442, 520, 544, 650, 680, 800, 850, 884, 1040, 1105, 1300, 1360, 1700, 1741, 1768, 2080, 2210, 2600, 2720, 3400, 3482, 3536, 4420, 5200, 5525, 6800, 6964, 7072, 8705, 8840, 10400, 11050, 13600, 13928, 17410, 17680, 22100, 22633, 27856, 29597, 34820, 35360, 43525, 44200, 45266, 55712, 59194, 69640, 87050, 88400, 90532, 113165, 118388, 139280, 147985, 174100, 176800, 181064, 226330, 236776, 278560, 295970, 348200, 362128, 384761, 452660, 473552, 565825, 591940, 696400, 724256, 739925, 769522, 905320, 947104, 1131650, 1183880, 1392800, 1479850, 1539044, 1810640, 1923805, 2263300, 2367760, 2959700, 3078088, 3621280, 3847610, 4526600, 4735520, 5919400, 6156176, 7695220, 9053200, 9619025, 11838800, 12312352, 15390440, 18106400, 19238050, 23677600, 30780880, 38476100, 61561760, 76952200, 153904400, 307808800]

約数ペア:

[(1, 307808800), (2, 153904400), (4, 76952200), (5, 61561760), (8, 38476100), (10, 30780880), (13, 23677600), (16, 19238050), (17, 18106400), (20, 15390440), (25, 12312352), (26, 11838800), (32, 9619025), (34, 9053200), (40, 7695220), (50, 6156176), (52, 5919400), (65, 4735520), (68, 4526600), (80, 3847610), (85, 3621280), (100, 3078088), (104, 2959700), (130, 2367760), (136, 2263300), (160, 1923805), (170, 1810640), (200, 1539044), (208, 1479850), (221, 1392800), (260, 1183880), (272, 1131650), (325, 947104), (340, 905320), (400, 769522), (416, 739925), (425, 724256), (442, 696400), (520, 591940), (544, 565825), (650, 473552), (680, 452660), (800, 384761), (850, 362128), (884, 348200), (1040, 295970), (1105, 278560), (1300, 236776), (1360, 226330), (1700, 181064), (1741, 176800), (1768, 174100), (2080, 147985), (2210, 139280), (2600, 118388), (2720, 113165), (3400, 90532), (3482, 88400), (3536, 87050), (4420, 69640), (5200, 59194), (5525, 55712), (6800, 45266), (6964, 44200), (7072, 43525), (8705, 35360), (8840, 34820), (10400, 29597), (11050, 27856), (13600, 22633), (13928, 22100), (17410, 17680)]