248405640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2617}}^1$

素因数の和:2751

約数の個数: 128

約数和(自身を含む): 859541760

約数和(自身を除く): 611136120

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, 70, 84, 105, 113, 120, 140, 168, 210, 226, 280, 339, 420, 452, 565, 678, 791, 840, 904, 1130, 1356, 1582, 1695, 2260, 2373, 2617, 2712, 3164, 3390, 3955, 4520, 4746, 5234, 6328, 6780, 7851, 7910, 9492, 10468, 11865, 13085, 13560, 15702, 15820, 18319, 18984, 20936, 23730, 26170, 31404, 31640, 36638, 39255, 47460, 52340, 54957, 62808, 73276, 78510, 91595, 94920, 104680, 109914, 146552, 157020, 183190, 219828, 274785, 295721, 314040, 366380, 439656, 549570, 591442, 732760, 887163, 1099140, 1182884, 1478605, 1774326, 2070047, 2198280, 2365768, 2957210, 3548652, 4140094, 4435815, 5914420, 6210141, 7097304, 8280188, 8871630, 10350235, 11828840, 12420282, 16560376, 17743260, 20700470, 24840564, 31050705, 35486520, 41400940, 49681128, 62101410, 82801880, 124202820, 248405640]

約数ペア:

[(1, 248405640), (2, 124202820), (3, 82801880), (4, 62101410), (5, 49681128), (6, 41400940), (7, 35486520), (8, 31050705), (10, 24840564), (12, 20700470), (14, 17743260), (15, 16560376), (20, 12420282), (21, 11828840), (24, 10350235), (28, 8871630), (30, 8280188), (35, 7097304), (40, 6210141), (42, 5914420), (56, 4435815), (60, 4140094), (70, 3548652), (84, 2957210), (105, 2365768), (113, 2198280), (120, 2070047), (140, 1774326), (168, 1478605), (210, 1182884), (226, 1099140), (280, 887163), (339, 732760), (420, 591442), (452, 549570), (565, 439656), (678, 366380), (791, 314040), (840, 295721), (904, 274785), (1130, 219828), (1356, 183190), (1582, 157020), (1695, 146552), (2260, 109914), (2373, 104680), (2617, 94920), (2712, 91595), (3164, 78510), (3390, 73276), (3955, 62808), (4520, 54957), (4746, 52340), (5234, 47460), (6328, 39255), (6780, 36638), (7851, 31640), (7910, 31404), (9492, 26170), (10468, 23730), (11865, 20936), (13085, 18984), (13560, 18319), (15702, 15820)]