2720760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 128

約数和(自身を含む): 9676800

約数和(自身を除く): 6956040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 79, 82, 84, 105, 120, 123, 140, 158, 164, 168, 205, 210, 237, 246, 280, 287, 316, 328, 395, 410, 420, 474, 492, 553, 574, 615, 632, 790, 820, 840, 861, 948, 984, 1106, 1148, 1185, 1230, 1435, 1580, 1640, 1659, 1722, 1896, 2212, 2296, 2370, 2460, 2765, 2870, 3160, 3239, 3318, 3444, 4305, 4424, 4740, 4920, 5530, 5740, 6478, 6636, 6888, 8295, 8610, 9480, 9717, 11060, 11480, 12956, 13272, 16195, 16590, 17220, 19434, 22120, 22673, 25912, 32390, 33180, 34440, 38868, 45346, 48585, 64780, 66360, 68019, 77736, 90692, 97170, 113365, 129560, 136038, 181384, 194340, 226730, 272076, 340095, 388680, 453460, 544152, 680190, 906920, 1360380, 2720760]

約数ペア:

[(1, 2720760), (2, 1360380), (3, 906920), (4, 680190), (5, 544152), (6, 453460), (7, 388680), (8, 340095), (10, 272076), (12, 226730), (14, 194340), (15, 181384), (20, 136038), (21, 129560), (24, 113365), (28, 97170), (30, 90692), (35, 77736), (40, 68019), (41, 66360), (42, 64780), (56, 48585), (60, 45346), (70, 38868), (79, 34440), (82, 33180), (84, 32390), (105, 25912), (120, 22673), (123, 22120), (140, 19434), (158, 17220), (164, 16590), (168, 16195), (205, 13272), (210, 12956), (237, 11480), (246, 11060), (280, 9717), (287, 9480), (316, 8610), (328, 8295), (395, 6888), (410, 6636), (420, 6478), (474, 5740), (492, 5530), (553, 4920), (574, 4740), (615, 4424), (632, 4305), (790, 3444), (820, 3318), (840, 3239), (861, 3160), (948, 2870), (984, 2765), (1106, 2460), (1148, 2370), (1185, 2296), (1230, 2212), (1435, 1896), (1580, 1722), (1640, 1659)]