163990120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 437322240

約数和(自身を除く): 273332120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 73, 113, 140, 142, 146, 226, 280, 284, 292, 355, 365, 452, 497, 511, 565, 568, 584, 710, 730, 791, 904, 994, 1022, 1130, 1420, 1460, 1582, 1988, 2044, 2260, 2485, 2555, 2840, 2920, 3164, 3955, 3976, 4088, 4520, 4970, 5110, 5183, 6328, 7910, 8023, 8249, 9940, 10220, 10366, 15820, 16046, 16498, 19880, 20440, 20732, 25915, 31640, 32092, 32996, 36281, 40115, 41245, 41464, 51830, 56161, 57743, 64184, 65992, 72562, 80230, 82490, 103660, 112322, 115486, 145124, 160460, 164980, 181405, 207320, 224644, 230972, 280805, 288715, 290248, 320920, 329960, 362810, 449288, 461944, 561610, 577430, 585679, 725620, 1123220, 1154860, 1171358, 1451240, 2246440, 2309720, 2342716, 2928395, 4099753, 4685432, 5856790, 8199506, 11713580, 16399012, 20498765, 23427160, 32798024, 40997530, 81995060, 163990120]

約数ペア:

[(1, 163990120), (2, 81995060), (4, 40997530), (5, 32798024), (7, 23427160), (8, 20498765), (10, 16399012), (14, 11713580), (20, 8199506), (28, 5856790), (35, 4685432), (40, 4099753), (56, 2928395), (70, 2342716), (71, 2309720), (73, 2246440), (113, 1451240), (140, 1171358), (142, 1154860), (146, 1123220), (226, 725620), (280, 585679), (284, 577430), (292, 561610), (355, 461944), (365, 449288), (452, 362810), (497, 329960), (511, 320920), (565, 290248), (568, 288715), (584, 280805), (710, 230972), (730, 224644), (791, 207320), (904, 181405), (994, 164980), (1022, 160460), (1130, 145124), (1420, 115486), (1460, 112322), (1582, 103660), (1988, 82490), (2044, 80230), (2260, 72562), (2485, 65992), (2555, 64184), (2840, 57743), (2920, 56161), (3164, 51830), (3955, 41464), (3976, 41245), (4088, 40115), (4520, 36281), (4970, 32996), (5110, 32092), (5183, 31640), (6328, 25915), (7910, 20732), (8023, 20440), (8249, 19880), (9940, 16498), (10220, 16046), (10366, 15820)]