639816840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:461

約数の個数: 256

約数和(自身を含む): 2318400000

約数和(自身を除く): 1678583160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 199, 216, 229, 234, 260, 270, 312, 351, 360, 390, 398, 458, 468, 520, 540, 585, 597, 687, 702, 780, 796, 916, 936, 995, 1080, 1145, 1170, 1194, 1374, 1404, 1560, 1592, 1755, 1791, 1832, 1990, 2061, 2290, 2340, 2388, 2587, 2748, 2808, 2977, 2985, 3435, 3510, 3582, 3980, 4122, 4580, 4680, 4776, 5174, 5373, 5496, 5954, 5970, 6183, 6870, 7020, 7164, 7761, 7960, 8244, 8931, 8955, 9160, 10305, 10348, 10746, 11908, 11940, 12366, 12935, 13740, 14040, 14328, 14885, 15522, 16488, 17862, 17910, 20610, 20696, 21492, 23283, 23816, 23880, 24732, 25870, 26793, 26865, 27480, 29770, 30915, 31044, 35724, 35820, 38805, 41220, 42984, 44655, 45571, 46566, 49464, 51740, 53586, 53730, 59540, 61830, 62088, 69849, 71448, 71640, 77610, 80379, 82440, 89310, 91142, 93132, 103480, 107172, 107460, 116415, 119080, 123660, 133965, 136713, 139698, 155220, 160758, 178620, 182284, 186264, 214344, 214920, 227855, 232830, 247320, 267930, 273426, 279396, 310440, 321516, 349245, 357240, 364568, 401895, 410139, 455710, 465660, 535860, 546852, 558792, 592423, 643032, 683565, 698490, 803790, 820278, 911420, 931320, 1071720, 1093704, 1184846, 1230417, 1367130, 1396980, 1607580, 1640556, 1777269, 1822840, 2050695, 2369692, 2460834, 2734260, 2793960, 2962115, 3215160, 3281112, 3554538, 4101390, 4739384, 4921668, 5331807, 5468520, 5924230, 6152085, 7109076, 8202780, 8886345, 9843336, 10663614, 11848460, 12304170, 14218152, 15995421, 16405560, 17772690, 21327228, 23696920, 24608340, 26659035, 31990842, 35545380, 42654456, 49216680, 53318070, 63981684, 71090760, 79977105, 106636140, 127963368, 159954210, 213272280, 319908420, 639816840]

約数ペア:

[(1, 639816840), (2, 319908420), (3, 213272280), (4, 159954210), (5, 127963368), (6, 106636140), (8, 79977105), (9, 71090760), (10, 63981684), (12, 53318070), (13, 49216680), (15, 42654456), (18, 35545380), (20, 31990842), (24, 26659035), (26, 24608340), (27, 23696920), (30, 21327228), (36, 17772690), (39, 16405560), (40, 15995421), (45, 14218152), (52, 12304170), (54, 11848460), (60, 10663614), (65, 9843336), (72, 8886345), (78, 8202780), (90, 7109076), (104, 6152085), (108, 5924230), (117, 5468520), (120, 5331807), (130, 4921668), (135, 4739384), (156, 4101390), (180, 3554538), (195, 3281112), (199, 3215160), (216, 2962115), (229, 2793960), (234, 2734260), (260, 2460834), (270, 2369692), (312, 2050695), (351, 1822840), (360, 1777269), (390, 1640556), (398, 1607580), (458, 1396980), (468, 1367130), (520, 1230417), (540, 1184846), (585, 1093704), (597, 1071720), (687, 931320), (702, 911420), (780, 820278), (796, 803790), (916, 698490), (936, 683565), (995, 643032), (1080, 592423), (1145, 558792), (1170, 546852), (1194, 535860), (1374, 465660), (1404, 455710), (1560, 410139), (1592, 401895), (1755, 364568), (1791, 357240), (1832, 349245), (1990, 321516), (2061, 310440), (2290, 279396), (2340, 273426), (2388, 267930), (2587, 247320), (2748, 232830), (2808, 227855), (2977, 214920), (2985, 214344), (3435, 186264), (3510, 182284), (3582, 178620), (3980, 160758), (4122, 155220), (4580, 139698), (4680, 136713), (4776, 133965), (5174, 123660), (5373, 119080), (5496, 116415), (5954, 107460), (5970, 107172), (6183, 103480), (6870, 93132), (7020, 91142), (7164, 89310), (7761, 82440), (7960, 80379), (8244, 77610), (8931, 71640), (8955, 71448), (9160, 69849), (10305, 62088), (10348, 61830), (10746, 59540), (11908, 53730), (11940, 53586), (12366, 51740), (12935, 49464), (13740, 46566), (14040, 45571), (14328, 44655), (14885, 42984), (15522, 41220), (16488, 38805), (17862, 35820), (17910, 35724), (20610, 31044), (20696, 30915), (21492, 29770), (23283, 27480), (23816, 26865), (23880, 26793), (24732, 25870)]