128759120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7417}}^1$

素因数の和:7468

約数の個数: 80

約数和(自身を含む): 353215488

約数和(自身を除く): 224456368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 7417, 8680, 14834, 17360, 29668, 37085, 51919, 59336, 74170, 103838, 118672, 148340, 207676, 229927, 259595, 296680, 415352, 459854, 519190, 593360, 830704, 919708, 1038380, 1149635, 1609489, 1839416, 2076760, 2299270, 3218978, 3678832, 4153520, 4598540, 6437956, 8047445, 9197080, 12875912, 16094890, 18394160, 25751824, 32189780, 64379560, 128759120]

約数ペア:

[(1, 128759120), (2, 64379560), (4, 32189780), (5, 25751824), (7, 18394160), (8, 16094890), (10, 12875912), (14, 9197080), (16, 8047445), (20, 6437956), (28, 4598540), (31, 4153520), (35, 3678832), (40, 3218978), (56, 2299270), (62, 2076760), (70, 1839416), (80, 1609489), (112, 1149635), (124, 1038380), (140, 919708), (155, 830704), (217, 593360), (248, 519190), (280, 459854), (310, 415352), (434, 296680), (496, 259595), (560, 229927), (620, 207676), (868, 148340), (1085, 118672), (1240, 103838), (1736, 74170), (2170, 59336), (2480, 51919), (3472, 37085), (4340, 29668), (7417, 17360), (8680, 14834)]