131559040

素因数分解:

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

素因数の和:418

約数の個数: 128

約数和(自身を含む): 342720000

約数和(自身を除く): 211160960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 304, 310, 320, 349, 380, 496, 589, 608, 620, 640, 698, 760, 992, 1178, 1216, 1240, 1396, 1520, 1745, 1984, 2356, 2432, 2480, 2792, 2945, 3040, 3490, 3968, 4712, 4960, 5584, 5890, 6080, 6631, 6980, 9424, 9920, 10819, 11168, 11780, 12160, 13262, 13960, 18848, 19840, 21638, 22336, 23560, 26524, 27920, 33155, 37696, 43276, 44672, 47120, 53048, 54095, 55840, 66310, 75392, 86552, 94240, 106096, 108190, 111680, 132620, 173104, 188480, 205561, 212192, 216380, 223360, 265240, 346208, 376960, 411122, 424384, 432760, 530480, 692416, 822244, 848768, 865520, 1027805, 1060960, 1384832, 1644488, 1731040, 2055610, 2121920, 3288976, 3462080, 4111220, 4243840, 6577952, 6924160, 8222440, 13155904, 16444880, 26311808, 32889760, 65779520, 131559040]

約数ペア:

[(1, 131559040), (2, 65779520), (4, 32889760), (5, 26311808), (8, 16444880), (10, 13155904), (16, 8222440), (19, 6924160), (20, 6577952), (31, 4243840), (32, 4111220), (38, 3462080), (40, 3288976), (62, 2121920), (64, 2055610), (76, 1731040), (80, 1644488), (95, 1384832), (124, 1060960), (128, 1027805), (152, 865520), (155, 848768), (160, 822244), (190, 692416), (248, 530480), (304, 432760), (310, 424384), (320, 411122), (349, 376960), (380, 346208), (496, 265240), (589, 223360), (608, 216380), (620, 212192), (640, 205561), (698, 188480), (760, 173104), (992, 132620), (1178, 111680), (1216, 108190), (1240, 106096), (1396, 94240), (1520, 86552), (1745, 75392), (1984, 66310), (2356, 55840), (2432, 54095), (2480, 53048), (2792, 47120), (2945, 44672), (3040, 43276), (3490, 37696), (3968, 33155), (4712, 27920), (4960, 26524), (5584, 23560), (5890, 22336), (6080, 21638), (6631, 19840), (6980, 18848), (9424, 13960), (9920, 13262), (10819, 12160), (11168, 11780)]