2154440820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:411

約数の個数: 288

約数和(自身を含む): 7405848576

約数和(自身を除く): 5251407756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 151, 161, 196, 210, 211, 230, 245, 276, 294, 302, 322, 345, 420, 422, 453, 460, 483, 490, 588, 604, 633, 644, 690, 735, 755, 805, 844, 906, 966, 980, 1055, 1057, 1127, 1266, 1380, 1470, 1477, 1510, 1610, 1812, 1932, 2110, 2114, 2254, 2265, 2415, 2532, 2940, 2954, 3020, 3165, 3171, 3220, 3381, 3473, 4220, 4228, 4431, 4508, 4530, 4830, 4853, 5285, 5635, 5908, 6330, 6342, 6762, 6946, 7385, 7399, 8862, 9060, 9660, 9706, 10339, 10419, 10570, 11270, 12660, 12684, 13524, 13892, 14559, 14770, 14798, 15855, 16905, 17365, 17724, 19412, 20678, 20838, 21140, 22155, 22197, 22540, 24265, 24311, 29118, 29540, 29596, 31017, 31710, 31861, 33810, 33971, 34730, 36995, 41356, 41676, 44310, 44394, 48530, 48622, 51695, 52095, 58236, 62034, 63420, 63722, 67620, 67942, 69460, 72795, 72933, 73990, 88620, 88788, 95583, 97060, 97244, 101913, 103390, 104190, 110985, 121555, 124068, 127444, 135884, 145590, 145866, 147980, 155085, 159305, 169855, 170177, 191166, 203826, 206780, 208380, 221970, 223027, 237797, 243110, 291180, 291732, 310170, 318610, 339710, 340354, 364665, 382332, 407652, 443940, 446054, 475594, 477915, 486220, 509565, 510531, 620340, 637220, 669081, 679420, 680708, 713391, 729330, 732803, 850885, 892108, 951188, 955830, 1019130, 1021062, 1115135, 1188985, 1338162, 1426782, 1458660, 1465606, 1561189, 1701770, 1911660, 2038260, 2042124, 2198409, 2230270, 2377970, 2552655, 2676324, 2853564, 2931212, 3122378, 3345405, 3403540, 3566955, 3664015, 4396818, 4460540, 4683567, 4755940, 5105310, 5129621, 6244756, 6690810, 7133910, 7328030, 7805945, 8793636, 9367134, 10210620, 10259242, 10992045, 13381620, 14267820, 14656060, 15388863, 15611890, 18734268, 20518484, 21984090, 23417835, 25648105, 30777726, 31223780, 35907347, 43968180, 46835670, 51296210, 61555452, 71814694, 76944315, 93671340, 102592420, 107722041, 143629388, 153888630, 179536735, 215444082, 307777260, 359073470, 430888164, 538610205, 718146940, 1077220410, 2154440820]

約数ペア:

[(1, 2154440820), (2, 1077220410), (3, 718146940), (4, 538610205), (5, 430888164), (6, 359073470), (7, 307777260), (10, 215444082), (12, 179536735), (14, 153888630), (15, 143629388), (20, 107722041), (21, 102592420), (23, 93671340), (28, 76944315), (30, 71814694), (35, 61555452), (42, 51296210), (46, 46835670), (49, 43968180), (60, 35907347), (69, 31223780), (70, 30777726), (84, 25648105), (92, 23417835), (98, 21984090), (105, 20518484), (115, 18734268), (138, 15611890), (140, 15388863), (147, 14656060), (151, 14267820), (161, 13381620), (196, 10992045), (210, 10259242), (211, 10210620), (230, 9367134), (245, 8793636), (276, 7805945), (294, 7328030), (302, 7133910), (322, 6690810), (345, 6244756), (420, 5129621), (422, 5105310), (453, 4755940), (460, 4683567), (483, 4460540), (490, 4396818), (588, 3664015), (604, 3566955), (633, 3403540), (644, 3345405), (690, 3122378), (735, 2931212), (755, 2853564), (805, 2676324), (844, 2552655), (906, 2377970), (966, 2230270), (980, 2198409), (1055, 2042124), (1057, 2038260), (1127, 1911660), (1266, 1701770), (1380, 1561189), (1470, 1465606), (1477, 1458660), (1510, 1426782), (1610, 1338162), (1812, 1188985), (1932, 1115135), (2110, 1021062), (2114, 1019130), (2254, 955830), (2265, 951188), (2415, 892108), (2532, 850885), (2940, 732803), (2954, 729330), (3020, 713391), (3165, 680708), (3171, 679420), (3220, 669081), (3381, 637220), (3473, 620340), (4220, 510531), (4228, 509565), (4431, 486220), (4508, 477915), (4530, 475594), (4830, 446054), (4853, 443940), (5285, 407652), (5635, 382332), (5908, 364665), (6330, 340354), (6342, 339710), (6762, 318610), (6946, 310170), (7385, 291732), (7399, 291180), (8862, 243110), (9060, 237797), (9660, 223027), (9706, 221970), (10339, 208380), (10419, 206780), (10570, 203826), (11270, 191166), (12660, 170177), (12684, 169855), (13524, 159305), (13892, 155085), (14559, 147980), (14770, 145866), (14798, 145590), (15855, 135884), (16905, 127444), (17365, 124068), (17724, 121555), (19412, 110985), (20678, 104190), (20838, 103390), (21140, 101913), (22155, 97244), (22197, 97060), (22540, 95583), (24265, 88788), (24311, 88620), (29118, 73990), (29540, 72933), (29596, 72795), (31017, 69460), (31710, 67942), (31861, 67620), (33810, 63722), (33971, 63420), (34730, 62034), (36995, 58236), (41356, 52095), (41676, 51695), (44310, 48622), (44394, 48530)]