920913280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:425

約数の個数: 256

約数和(自身を含む): 2741760000

約数和(自身を除く): 1820846720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 31, 32, 35, 38, 40, 56, 62, 64, 70, 76, 80, 95, 112, 124, 128, 133, 140, 152, 155, 160, 190, 217, 224, 248, 266, 280, 304, 310, 320, 349, 380, 434, 448, 496, 532, 560, 589, 608, 620, 640, 665, 698, 760, 868, 896, 992, 1064, 1085, 1120, 1178, 1216, 1240, 1330, 1396, 1520, 1736, 1745, 1984, 2128, 2170, 2240, 2356, 2432, 2443, 2480, 2660, 2792, 2945, 3040, 3472, 3490, 3968, 4123, 4256, 4340, 4480, 4712, 4886, 4960, 5320, 5584, 5890, 6080, 6631, 6944, 6980, 8246, 8512, 8680, 9424, 9772, 9920, 10640, 10819, 11168, 11780, 12160, 12215, 13262, 13888, 13960, 16492, 17024, 17360, 18848, 19544, 19840, 20615, 21280, 21638, 22336, 23560, 24430, 26524, 27776, 27920, 32984, 33155, 34720, 37696, 39088, 41230, 42560, 43276, 44672, 46417, 47120, 48860, 53048, 54095, 55840, 65968, 66310, 69440, 75392, 75733, 78176, 82460, 85120, 86552, 92834, 94240, 97720, 106096, 108190, 111680, 131936, 132620, 138880, 151466, 156352, 164920, 173104, 185668, 188480, 195440, 205561, 212192, 216380, 223360, 232085, 263872, 265240, 302932, 312704, 329840, 346208, 371336, 376960, 378665, 390880, 411122, 424384, 432760, 464170, 527744, 530480, 605864, 659680, 692416, 742672, 757330, 781760, 822244, 848768, 865520, 928340, 1027805, 1060960, 1211728, 1319360, 1384832, 1438927, 1485344, 1514660, 1563520, 1644488, 1731040, 1856680, 2055610, 2121920, 2423456, 2638720, 2877854, 2970688, 3029320, 3288976, 3462080, 3713360, 4111220, 4243840, 4846912, 5755708, 5941376, 6058640, 6577952, 6924160, 7194635, 7426720, 8222440, 9693824, 11511416, 12117280, 13155904, 14389270, 14853440, 16444880, 23022832, 24234560, 26311808, 28778540, 29706880, 32889760, 46045664, 48469120, 57557080, 65779520, 92091328, 115114160, 131559040, 184182656, 230228320, 460456640, 920913280]

約数ペア:

[(1, 920913280), (2, 460456640), (4, 230228320), (5, 184182656), (7, 131559040), (8, 115114160), (10, 92091328), (14, 65779520), (16, 57557080), (19, 48469120), (20, 46045664), (28, 32889760), (31, 29706880), (32, 28778540), (35, 26311808), (38, 24234560), (40, 23022832), (56, 16444880), (62, 14853440), (64, 14389270), (70, 13155904), (76, 12117280), (80, 11511416), (95, 9693824), (112, 8222440), (124, 7426720), (128, 7194635), (133, 6924160), (140, 6577952), (152, 6058640), (155, 5941376), (160, 5755708), (190, 4846912), (217, 4243840), (224, 4111220), (248, 3713360), (266, 3462080), (280, 3288976), (304, 3029320), (310, 2970688), (320, 2877854), (349, 2638720), (380, 2423456), (434, 2121920), (448, 2055610), (496, 1856680), (532, 1731040), (560, 1644488), (589, 1563520), (608, 1514660), (620, 1485344), (640, 1438927), (665, 1384832), (698, 1319360), (760, 1211728), (868, 1060960), (896, 1027805), (992, 928340), (1064, 865520), (1085, 848768), (1120, 822244), (1178, 781760), (1216, 757330), (1240, 742672), (1330, 692416), (1396, 659680), (1520, 605864), (1736, 530480), (1745, 527744), (1984, 464170), (2128, 432760), (2170, 424384), (2240, 411122), (2356, 390880), (2432, 378665), (2443, 376960), (2480, 371336), (2660, 346208), (2792, 329840), (2945, 312704), (3040, 302932), (3472, 265240), (3490, 263872), (3968, 232085), (4123, 223360), (4256, 216380), (4340, 212192), (4480, 205561), (4712, 195440), (4886, 188480), (4960, 185668), (5320, 173104), (5584, 164920), (5890, 156352), (6080, 151466), (6631, 138880), (6944, 132620), (6980, 131936), (8246, 111680), (8512, 108190), (8680, 106096), (9424, 97720), (9772, 94240), (9920, 92834), (10640, 86552), (10819, 85120), (11168, 82460), (11780, 78176), (12160, 75733), (12215, 75392), (13262, 69440), (13888, 66310), (13960, 65968), (16492, 55840), (17024, 54095), (17360, 53048), (18848, 48860), (19544, 47120), (19840, 46417), (20615, 44672), (21280, 43276), (21638, 42560), (22336, 41230), (23560, 39088), (24430, 37696), (26524, 34720), (27776, 33155), (27920, 32984)]