8740760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 128

約数和(自身を含む): 24883200

約数和(自身を除く): 16142440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 53, 56, 62, 70, 76, 95, 106, 124, 133, 140, 152, 155, 190, 212, 217, 248, 265, 266, 280, 310, 371, 380, 424, 434, 530, 532, 589, 620, 665, 742, 760, 868, 1007, 1060, 1064, 1085, 1178, 1240, 1330, 1484, 1643, 1736, 1855, 2014, 2120, 2170, 2356, 2660, 2945, 2968, 3286, 3710, 4028, 4123, 4340, 4712, 5035, 5320, 5890, 6572, 7049, 7420, 8056, 8215, 8246, 8680, 10070, 11501, 11780, 13144, 14098, 14840, 16430, 16492, 20140, 20615, 23002, 23560, 28196, 31217, 32860, 32984, 35245, 40280, 41230, 46004, 56392, 57505, 62434, 65720, 70490, 82460, 92008, 115010, 124868, 140980, 156085, 164920, 218519, 230020, 249736, 281960, 312170, 437038, 460040, 624340, 874076, 1092595, 1248680, 1748152, 2185190, 4370380, 8740760]

約数ペア:

[(1, 8740760), (2, 4370380), (4, 2185190), (5, 1748152), (7, 1248680), (8, 1092595), (10, 874076), (14, 624340), (19, 460040), (20, 437038), (28, 312170), (31, 281960), (35, 249736), (38, 230020), (40, 218519), (53, 164920), (56, 156085), (62, 140980), (70, 124868), (76, 115010), (95, 92008), (106, 82460), (124, 70490), (133, 65720), (140, 62434), (152, 57505), (155, 56392), (190, 46004), (212, 41230), (217, 40280), (248, 35245), (265, 32984), (266, 32860), (280, 31217), (310, 28196), (371, 23560), (380, 23002), (424, 20615), (434, 20140), (530, 16492), (532, 16430), (589, 14840), (620, 14098), (665, 13144), (742, 11780), (760, 11501), (868, 10070), (1007, 8680), (1060, 8246), (1064, 8215), (1085, 8056), (1178, 7420), (1240, 7049), (1330, 6572), (1484, 5890), (1643, 5320), (1736, 5035), (1855, 4712), (2014, 4340), (2120, 4123), (2170, 4028), (2356, 3710), (2660, 3286), (2945, 2968)]