161684040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2711}}^1$

素因数の和:2803

約数の個数: 128

約数和(自身を含む): 562360320

約数和(自身を除く): 400676280

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, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2711, 2840, 2982, 3976, 4260, 4970, 5422, 5964, 7455, 8133, 8520, 9940, 10844, 11928, 13555, 14910, 16266, 18977, 19880, 21688, 27110, 29820, 32532, 37954, 40665, 54220, 56931, 59640, 65064, 75908, 81330, 94885, 108440, 113862, 151816, 162660, 189770, 192481, 227724, 284655, 325320, 379540, 384962, 455448, 569310, 577443, 759080, 769924, 962405, 1138620, 1154886, 1347367, 1539848, 1924810, 2277240, 2309772, 2694734, 2887215, 3849620, 4042101, 4619544, 5389468, 5774430, 6736835, 7699240, 8084202, 10778936, 11548860, 13473670, 16168404, 20210505, 23097720, 26947340, 32336808, 40421010, 53894680, 80842020, 161684040]

約数ペア:

[(1, 161684040), (2, 80842020), (3, 53894680), (4, 40421010), (5, 32336808), (6, 26947340), (7, 23097720), (8, 20210505), (10, 16168404), (12, 13473670), (14, 11548860), (15, 10778936), (20, 8084202), (21, 7699240), (24, 6736835), (28, 5774430), (30, 5389468), (35, 4619544), (40, 4042101), (42, 3849620), (56, 2887215), (60, 2694734), (70, 2309772), (71, 2277240), (84, 1924810), (105, 1539848), (120, 1347367), (140, 1154886), (142, 1138620), (168, 962405), (210, 769924), (213, 759080), (280, 577443), (284, 569310), (355, 455448), (420, 384962), (426, 379540), (497, 325320), (568, 284655), (710, 227724), (840, 192481), (852, 189770), (994, 162660), (1065, 151816), (1420, 113862), (1491, 108440), (1704, 94885), (1988, 81330), (2130, 75908), (2485, 65064), (2711, 59640), (2840, 56931), (2982, 54220), (3976, 40665), (4260, 37954), (4970, 32532), (5422, 29820), (5964, 27110), (7455, 21688), (8133, 19880), (8520, 18977), (9940, 16266), (10844, 14910), (11928, 13555)]