638805960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:469

約数の個数: 256

約数和(自身を含む): 2315174400

約数和(自身を除く): 1676368440

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, 173, 180, 195, 216, 234, 260, 263, 270, 312, 346, 351, 360, 390, 468, 519, 520, 526, 540, 585, 692, 702, 780, 789, 865, 936, 1038, 1052, 1080, 1170, 1315, 1384, 1404, 1557, 1560, 1578, 1730, 1755, 2076, 2104, 2249, 2340, 2367, 2595, 2630, 2808, 3114, 3156, 3419, 3460, 3510, 3945, 4152, 4498, 4671, 4680, 4734, 5190, 5260, 6228, 6312, 6747, 6838, 6920, 7020, 7101, 7785, 7890, 8996, 9342, 9468, 10257, 10380, 10520, 11245, 11835, 12456, 13494, 13676, 14040, 14202, 15570, 15780, 17095, 17992, 18684, 18936, 20241, 20514, 20760, 22490, 23355, 23670, 26988, 27352, 28404, 30771, 31140, 31560, 33735, 34190, 35505, 37368, 40482, 41028, 44980, 45499, 46710, 47340, 51285, 53976, 56808, 60723, 61542, 62280, 67470, 68380, 71010, 80964, 82056, 89960, 90998, 92313, 93420, 94680, 101205, 102570, 121446, 123084, 134940, 136497, 136760, 142020, 153855, 161928, 181996, 184626, 186840, 202410, 205140, 227495, 242892, 246168, 269880, 272994, 284040, 303615, 307710, 363992, 369252, 404820, 409491, 410280, 454990, 461565, 485784, 545988, 591487, 607230, 615420, 682485, 738504, 809640, 818982, 909980, 923130, 1091976, 1182974, 1214460, 1228473, 1230840, 1364970, 1637964, 1774461, 1819960, 1846260, 2047455, 2365948, 2428920, 2456946, 2729940, 2957435, 3275928, 3548922, 3692520, 4094910, 4731896, 4913892, 5323383, 5459880, 5914870, 6142365, 7097844, 8189820, 8872305, 9827784, 10646766, 11829740, 12284730, 14195688, 15970149, 16379640, 17744610, 21293532, 23659480, 24569460, 26616915, 31940298, 35489220, 42587064, 49138920, 53233830, 63880596, 70978440, 79850745, 106467660, 127761192, 159701490, 212935320, 319402980, 638805960]

約数ペア:

[(1, 638805960), (2, 319402980), (3, 212935320), (4, 159701490), (5, 127761192), (6, 106467660), (8, 79850745), (9, 70978440), (10, 63880596), (12, 53233830), (13, 49138920), (15, 42587064), (18, 35489220), (20, 31940298), (24, 26616915), (26, 24569460), (27, 23659480), (30, 21293532), (36, 17744610), (39, 16379640), (40, 15970149), (45, 14195688), (52, 12284730), (54, 11829740), (60, 10646766), (65, 9827784), (72, 8872305), (78, 8189820), (90, 7097844), (104, 6142365), (108, 5914870), (117, 5459880), (120, 5323383), (130, 4913892), (135, 4731896), (156, 4094910), (173, 3692520), (180, 3548922), (195, 3275928), (216, 2957435), (234, 2729940), (260, 2456946), (263, 2428920), (270, 2365948), (312, 2047455), (346, 1846260), (351, 1819960), (360, 1774461), (390, 1637964), (468, 1364970), (519, 1230840), (520, 1228473), (526, 1214460), (540, 1182974), (585, 1091976), (692, 923130), (702, 909980), (780, 818982), (789, 809640), (865, 738504), (936, 682485), (1038, 615420), (1052, 607230), (1080, 591487), (1170, 545988), (1315, 485784), (1384, 461565), (1404, 454990), (1557, 410280), (1560, 409491), (1578, 404820), (1730, 369252), (1755, 363992), (2076, 307710), (2104, 303615), (2249, 284040), (2340, 272994), (2367, 269880), (2595, 246168), (2630, 242892), (2808, 227495), (3114, 205140), (3156, 202410), (3419, 186840), (3460, 184626), (3510, 181996), (3945, 161928), (4152, 153855), (4498, 142020), (4671, 136760), (4680, 136497), (4734, 134940), (5190, 123084), (5260, 121446), (6228, 102570), (6312, 101205), (6747, 94680), (6838, 93420), (6920, 92313), (7020, 90998), (7101, 89960), (7785, 82056), (7890, 80964), (8996, 71010), (9342, 68380), (9468, 67470), (10257, 62280), (10380, 61542), (10520, 60723), (11245, 56808), (11835, 53976), (12456, 51285), (13494, 47340), (13676, 46710), (14040, 45499), (14202, 44980), (15570, 41028), (15780, 40482), (17095, 37368), (17992, 35505), (18684, 34190), (18936, 33735), (20241, 31560), (20514, 31140), (20760, 30771), (22490, 28404), (23355, 27352), (23670, 26988)]