311116470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:390

約数の個数: 128

約数和(自身を含む): 878515200

約数和(自身を除く): 567398730

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 149, 163, 183, 210, 298, 305, 326, 366, 427, 447, 489, 610, 745, 815, 854, 894, 915, 978, 1043, 1141, 1281, 1490, 1630, 1830, 2086, 2135, 2235, 2282, 2445, 2562, 3129, 3423, 4270, 4470, 4890, 5215, 5705, 6258, 6405, 6846, 9089, 9943, 10430, 11410, 12810, 15645, 17115, 18178, 19886, 24287, 27267, 29829, 31290, 34230, 45445, 48574, 49715, 54534, 59658, 63623, 69601, 72861, 90890, 99430, 121435, 127246, 136335, 139202, 145722, 149145, 170009, 190869, 208803, 242870, 272670, 298290, 318115, 340018, 348005, 364305, 381738, 417606, 510027, 636230, 696010, 728610, 850045, 954345, 1020054, 1044015, 1481507, 1700090, 1908690, 2088030, 2550135, 2963014, 4444521, 5100270, 7407535, 8889042, 10370549, 14815070, 20741098, 22222605, 31111647, 44445210, 51852745, 62223294, 103705490, 155558235, 311116470]

約数ペア:

[(1, 311116470), (2, 155558235), (3, 103705490), (5, 62223294), (6, 51852745), (7, 44445210), (10, 31111647), (14, 22222605), (15, 20741098), (21, 14815070), (30, 10370549), (35, 8889042), (42, 7407535), (61, 5100270), (70, 4444521), (105, 2963014), (122, 2550135), (149, 2088030), (163, 1908690), (183, 1700090), (210, 1481507), (298, 1044015), (305, 1020054), (326, 954345), (366, 850045), (427, 728610), (447, 696010), (489, 636230), (610, 510027), (745, 417606), (815, 381738), (854, 364305), (894, 348005), (915, 340018), (978, 318115), (1043, 298290), (1141, 272670), (1281, 242870), (1490, 208803), (1630, 190869), (1830, 170009), (2086, 149145), (2135, 145722), (2235, 139202), (2282, 136335), (2445, 127246), (2562, 121435), (3129, 99430), (3423, 90890), (4270, 72861), (4470, 69601), (4890, 63623), (5215, 59658), (5705, 54534), (6258, 49715), (6405, 48574), (6846, 45445), (9089, 34230), (9943, 31290), (10430, 29829), (11410, 27267), (12810, 24287), (15645, 19886), (17115, 18178)]