161284920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:717

約数の個数: 128

約数和(自身を含む): 514252800

約数和(自身を除く): 352967880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 127, 152, 190, 228, 254, 285, 380, 381, 456, 508, 557, 570, 635, 760, 762, 1016, 1114, 1140, 1270, 1524, 1671, 1905, 2228, 2280, 2413, 2540, 2785, 3048, 3342, 3810, 4456, 4826, 5080, 5570, 6684, 7239, 7620, 8355, 9652, 10583, 11140, 12065, 13368, 14478, 15240, 16710, 19304, 21166, 22280, 24130, 28956, 31749, 33420, 36195, 42332, 48260, 52915, 57912, 63498, 66840, 70739, 72390, 84664, 96520, 105830, 126996, 141478, 144780, 158745, 211660, 212217, 253992, 282956, 289560, 317490, 353695, 423320, 424434, 565912, 634980, 707390, 848868, 1061085, 1269960, 1344041, 1414780, 1697736, 2122170, 2688082, 2829560, 4032123, 4244340, 5376164, 6720205, 8064246, 8488680, 10752328, 13440410, 16128492, 20160615, 26880820, 32256984, 40321230, 53761640, 80642460, 161284920]

約数ペア:

[(1, 161284920), (2, 80642460), (3, 53761640), (4, 40321230), (5, 32256984), (6, 26880820), (8, 20160615), (10, 16128492), (12, 13440410), (15, 10752328), (19, 8488680), (20, 8064246), (24, 6720205), (30, 5376164), (38, 4244340), (40, 4032123), (57, 2829560), (60, 2688082), (76, 2122170), (95, 1697736), (114, 1414780), (120, 1344041), (127, 1269960), (152, 1061085), (190, 848868), (228, 707390), (254, 634980), (285, 565912), (380, 424434), (381, 423320), (456, 353695), (508, 317490), (557, 289560), (570, 282956), (635, 253992), (760, 212217), (762, 211660), (1016, 158745), (1114, 144780), (1140, 141478), (1270, 126996), (1524, 105830), (1671, 96520), (1905, 84664), (2228, 72390), (2280, 70739), (2413, 66840), (2540, 63498), (2785, 57912), (3048, 52915), (3342, 48260), (3810, 42332), (4456, 36195), (4826, 33420), (5080, 31749), (5570, 28956), (6684, 24130), (7239, 22280), (7620, 21166), (8355, 19304), (9652, 16710), (10583, 15240), (11140, 14478), (12065, 13368)]