4047960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 14284800

約数和(自身を除く): 10236840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 79, 84, 105, 120, 122, 140, 158, 168, 183, 210, 237, 244, 280, 305, 316, 366, 395, 420, 427, 474, 488, 553, 610, 632, 732, 790, 840, 854, 915, 948, 1106, 1185, 1220, 1281, 1464, 1580, 1659, 1708, 1830, 1896, 2135, 2212, 2370, 2440, 2562, 2765, 3160, 3318, 3416, 3660, 4270, 4424, 4740, 4819, 5124, 5530, 6405, 6636, 7320, 8295, 8540, 9480, 9638, 10248, 11060, 12810, 13272, 14457, 16590, 17080, 19276, 22120, 24095, 25620, 28914, 33180, 33733, 38552, 48190, 51240, 57828, 66360, 67466, 72285, 96380, 101199, 115656, 134932, 144570, 168665, 192760, 202398, 269864, 289140, 337330, 404796, 505995, 578280, 674660, 809592, 1011990, 1349320, 2023980, 4047960]

約数ペア:

[(1, 4047960), (2, 2023980), (3, 1349320), (4, 1011990), (5, 809592), (6, 674660), (7, 578280), (8, 505995), (10, 404796), (12, 337330), (14, 289140), (15, 269864), (20, 202398), (21, 192760), (24, 168665), (28, 144570), (30, 134932), (35, 115656), (40, 101199), (42, 96380), (56, 72285), (60, 67466), (61, 66360), (70, 57828), (79, 51240), (84, 48190), (105, 38552), (120, 33733), (122, 33180), (140, 28914), (158, 25620), (168, 24095), (183, 22120), (210, 19276), (237, 17080), (244, 16590), (280, 14457), (305, 13272), (316, 12810), (366, 11060), (395, 10248), (420, 9638), (427, 9480), (474, 8540), (488, 8295), (553, 7320), (610, 6636), (632, 6405), (732, 5530), (790, 5124), (840, 4819), (854, 4740), (915, 4424), (948, 4270), (1106, 3660), (1185, 3416), (1220, 3318), (1281, 3160), (1464, 2765), (1580, 2562), (1659, 2440), (1708, 2370), (1830, 2212), (1896, 2135)]