289631440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:369

約数の個数: 160

約数和(自身を含む): 819947520

約数和(自身を除く): 530316080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 163, 167, 190, 266, 280, 304, 326, 334, 380, 532, 560, 652, 665, 668, 760, 815, 835, 1064, 1141, 1169, 1304, 1330, 1336, 1520, 1630, 1670, 2128, 2282, 2338, 2608, 2660, 2672, 3097, 3173, 3260, 3340, 4564, 4676, 5320, 5705, 5845, 6194, 6346, 6520, 6680, 9128, 9352, 10640, 11410, 11690, 12388, 12692, 13040, 13360, 15485, 15865, 18256, 18704, 21679, 22211, 22820, 23380, 24776, 25384, 27221, 30970, 31730, 43358, 44422, 45640, 46760, 49552, 50768, 54442, 61940, 63460, 86716, 88844, 91280, 93520, 108395, 108884, 111055, 123880, 126920, 136105, 173432, 177688, 190547, 216790, 217768, 222110, 247760, 253840, 272210, 346864, 355376, 381094, 433580, 435536, 444220, 517199, 544420, 762188, 867160, 888440, 952735, 1034398, 1088840, 1524376, 1734320, 1776880, 1905470, 2068796, 2177680, 2585995, 3048752, 3620393, 3810940, 4137592, 5171990, 7240786, 7621880, 8275184, 10343980, 14481572, 15243760, 18101965, 20687960, 28963144, 36203930, 41375920, 57926288, 72407860, 144815720, 289631440]

約数ペア:

[(1, 289631440), (2, 144815720), (4, 72407860), (5, 57926288), (7, 41375920), (8, 36203930), (10, 28963144), (14, 20687960), (16, 18101965), (19, 15243760), (20, 14481572), (28, 10343980), (35, 8275184), (38, 7621880), (40, 7240786), (56, 5171990), (70, 4137592), (76, 3810940), (80, 3620393), (95, 3048752), (112, 2585995), (133, 2177680), (140, 2068796), (152, 1905470), (163, 1776880), (167, 1734320), (190, 1524376), (266, 1088840), (280, 1034398), (304, 952735), (326, 888440), (334, 867160), (380, 762188), (532, 544420), (560, 517199), (652, 444220), (665, 435536), (668, 433580), (760, 381094), (815, 355376), (835, 346864), (1064, 272210), (1141, 253840), (1169, 247760), (1304, 222110), (1330, 217768), (1336, 216790), (1520, 190547), (1630, 177688), (1670, 173432), (2128, 136105), (2282, 126920), (2338, 123880), (2608, 111055), (2660, 108884), (2672, 108395), (3097, 93520), (3173, 91280), (3260, 88844), (3340, 86716), (4564, 63460), (4676, 61940), (5320, 54442), (5705, 50768), (5845, 49552), (6194, 46760), (6346, 45640), (6520, 44422), (6680, 43358), (9128, 31730), (9352, 30970), (10640, 27221), (11410, 25384), (11690, 24776), (12388, 23380), (12692, 22820), (13040, 22211), (13360, 21679), (15485, 18704), (15865, 18256)]