642302640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4111}}^1$

素因数の和:4168

約数の個数: 240

約数和(自身を含む): 2545360896

約数和(自身を除く): 1903058256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2604, 2790, 3255, 3472, 3720, 3906, 4111, 4340, 4464, 5040, 5208, 5580, 6510, 7440, 7812, 8222, 8680, 9765, 10416, 11160, 12333, 13020, 15624, 16444, 17360, 19530, 20555, 22320, 24666, 26040, 28777, 31248, 32888, 36999, 39060, 41110, 49332, 52080, 57554, 61665, 65776, 73998, 78120, 82220, 86331, 98664, 115108, 123330, 127441, 143885, 147996, 156240, 164440, 172662, 184995, 197328, 230216, 246660, 254882, 258993, 287770, 295992, 328880, 345324, 369990, 382323, 431655, 460432, 493320, 509764, 517986, 575540, 591984, 637205, 690648, 739980, 764646, 863310, 892087, 986640, 1019528, 1035972, 1146969, 1151080, 1274410, 1294965, 1381296, 1479960, 1529292, 1726620, 1784174, 1911615, 2039056, 2071944, 2293938, 2302160, 2548820, 2589930, 2676261, 2959920, 3058584, 3453240, 3568348, 3823230, 4143888, 4460435, 4587876, 5097640, 5179860, 5352522, 5734845, 6117168, 6906480, 7136696, 7646460, 8028783, 8920870, 9175752, 10195280, 10359720, 10705044, 11469690, 13381305, 14273392, 15292920, 16057566, 17841740, 18351504, 20719440, 21410088, 22939380, 26762610, 30585840, 32115132, 35683480, 40143915, 42820176, 45878760, 53525220, 64230264, 71366960, 80287830, 91757520, 107050440, 128460528, 160575660, 214100880, 321151320, 642302640]

約数ペア:

[(1, 642302640), (2, 321151320), (3, 214100880), (4, 160575660), (5, 128460528), (6, 107050440), (7, 91757520), (8, 80287830), (9, 71366960), (10, 64230264), (12, 53525220), (14, 45878760), (15, 42820176), (16, 40143915), (18, 35683480), (20, 32115132), (21, 30585840), (24, 26762610), (28, 22939380), (30, 21410088), (31, 20719440), (35, 18351504), (36, 17841740), (40, 16057566), (42, 15292920), (45, 14273392), (48, 13381305), (56, 11469690), (60, 10705044), (62, 10359720), (63, 10195280), (70, 9175752), (72, 8920870), (80, 8028783), (84, 7646460), (90, 7136696), (93, 6906480), (105, 6117168), (112, 5734845), (120, 5352522), (124, 5179860), (126, 5097640), (140, 4587876), (144, 4460435), (155, 4143888), (168, 3823230), (180, 3568348), (186, 3453240), (210, 3058584), (217, 2959920), (240, 2676261), (248, 2589930), (252, 2548820), (279, 2302160), (280, 2293938), (310, 2071944), (315, 2039056), (336, 1911615), (360, 1784174), (372, 1726620), (420, 1529292), (434, 1479960), (465, 1381296), (496, 1294965), (504, 1274410), (558, 1151080), (560, 1146969), (620, 1035972), (630, 1019528), (651, 986640), (720, 892087), (744, 863310), (840, 764646), (868, 739980), (930, 690648), (1008, 637205), (1085, 591984), (1116, 575540), (1240, 517986), (1260, 509764), (1302, 493320), (1395, 460432), (1488, 431655), (1680, 382323), (1736, 369990), (1860, 345324), (1953, 328880), (2170, 295992), (2232, 287770), (2480, 258993), (2520, 254882), (2604, 246660), (2790, 230216), (3255, 197328), (3472, 184995), (3720, 172662), (3906, 164440), (4111, 156240), (4340, 147996), (4464, 143885), (5040, 127441), (5208, 123330), (5580, 115108), (6510, 98664), (7440, 86331), (7812, 82220), (8222, 78120), (8680, 73998), (9765, 65776), (10416, 61665), (11160, 57554), (12333, 52080), (13020, 49332), (15624, 41110), (16444, 39060), (17360, 36999), (19530, 32888), (20555, 31248), (22320, 28777), (24666, 26040)]