129177880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 328950720

約数和(自身を除く): 199772840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 73, 82, 83, 104, 130, 146, 164, 166, 205, 260, 292, 328, 332, 365, 410, 415, 520, 533, 584, 664, 730, 820, 830, 949, 1066, 1079, 1460, 1640, 1660, 1898, 2132, 2158, 2665, 2920, 2993, 3320, 3403, 3796, 4264, 4316, 4745, 5330, 5395, 5986, 6059, 6806, 7592, 8632, 9490, 10660, 10790, 11972, 12118, 13612, 14965, 17015, 18980, 21320, 21580, 23944, 24236, 27224, 29930, 30295, 34030, 37960, 38909, 43160, 44239, 48472, 59860, 60590, 68060, 77818, 78767, 88478, 119720, 121180, 136120, 155636, 157534, 176956, 194545, 221195, 242360, 248419, 311272, 315068, 353912, 389090, 393835, 442390, 496838, 630136, 778180, 787670, 884780, 993676, 1242095, 1556360, 1575340, 1769560, 1987352, 2484190, 3150680, 3229447, 4968380, 6458894, 9936760, 12917788, 16147235, 25835576, 32294470, 64588940, 129177880]

約数ペア:

[(1, 129177880), (2, 64588940), (4, 32294470), (5, 25835576), (8, 16147235), (10, 12917788), (13, 9936760), (20, 6458894), (26, 4968380), (40, 3229447), (41, 3150680), (52, 2484190), (65, 1987352), (73, 1769560), (82, 1575340), (83, 1556360), (104, 1242095), (130, 993676), (146, 884780), (164, 787670), (166, 778180), (205, 630136), (260, 496838), (292, 442390), (328, 393835), (332, 389090), (365, 353912), (410, 315068), (415, 311272), (520, 248419), (533, 242360), (584, 221195), (664, 194545), (730, 176956), (820, 157534), (830, 155636), (949, 136120), (1066, 121180), (1079, 119720), (1460, 88478), (1640, 78767), (1660, 77818), (1898, 68060), (2132, 60590), (2158, 59860), (2665, 48472), (2920, 44239), (2993, 43160), (3320, 38909), (3403, 37960), (3796, 34030), (4264, 30295), (4316, 29930), (4745, 27224), (5330, 24236), (5395, 23944), (5986, 21580), (6059, 21320), (6806, 18980), (7592, 17015), (8632, 14965), (9490, 13612), (10660, 12118), (10790, 11972)]