1275960

素因数分解:

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

素因数の和:66

約数の個数: 128

約数和(自身を含む): 4608000

約数和(自身を除く): 3332040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 49, 56, 60, 62, 70, 84, 93, 98, 105, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 245, 248, 280, 294, 310, 343, 372, 392, 420, 434, 465, 490, 588, 620, 651, 686, 735, 744, 840, 868, 930, 980, 1029, 1085, 1176, 1240, 1302, 1372, 1470, 1519, 1715, 1736, 1860, 1960, 2058, 2170, 2604, 2744, 2940, 3038, 3255, 3430, 3720, 4116, 4340, 4557, 5145, 5208, 5880, 6076, 6510, 6860, 7595, 8232, 8680, 9114, 10290, 10633, 12152, 13020, 13720, 15190, 18228, 20580, 21266, 22785, 26040, 30380, 31899, 36456, 41160, 42532, 45570, 53165, 60760, 63798, 85064, 91140, 106330, 127596, 159495, 182280, 212660, 255192, 318990, 425320, 637980, 1275960]

約数ペア:

[(1, 1275960), (2, 637980), (3, 425320), (4, 318990), (5, 255192), (6, 212660), (7, 182280), (8, 159495), (10, 127596), (12, 106330), (14, 91140), (15, 85064), (20, 63798), (21, 60760), (24, 53165), (28, 45570), (30, 42532), (31, 41160), (35, 36456), (40, 31899), (42, 30380), (49, 26040), (56, 22785), (60, 21266), (62, 20580), (70, 18228), (84, 15190), (93, 13720), (98, 13020), (105, 12152), (120, 10633), (124, 10290), (140, 9114), (147, 8680), (155, 8232), (168, 7595), (186, 6860), (196, 6510), (210, 6076), (217, 5880), (245, 5208), (248, 5145), (280, 4557), (294, 4340), (310, 4116), (343, 3720), (372, 3430), (392, 3255), (420, 3038), (434, 2940), (465, 2744), (490, 2604), (588, 2170), (620, 2058), (651, 1960), (686, 1860), (735, 1736), (744, 1715), (840, 1519), (868, 1470), (930, 1372), (980, 1302), (1029, 1240), (1085, 1176)]