128465260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{701}}^1$

素因数の和:752

約数の個数: 144

約数和(自身を含む): 363007008

約数和(自身を除く): 234541748

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 49, 55, 68, 70, 77, 85, 98, 110, 119, 140, 154, 170, 187, 196, 220, 238, 245, 308, 340, 374, 385, 476, 490, 539, 595, 701, 748, 770, 833, 935, 980, 1078, 1190, 1309, 1402, 1540, 1666, 1870, 2156, 2380, 2618, 2695, 2804, 3332, 3505, 3740, 4165, 4907, 5236, 5390, 6545, 7010, 7711, 8330, 9163, 9814, 10780, 11917, 13090, 14020, 15422, 16660, 18326, 19628, 23834, 24535, 26180, 30844, 34349, 36652, 38555, 45815, 47668, 49070, 53977, 59585, 68698, 77110, 83419, 91630, 98140, 107954, 119170, 131087, 137396, 154220, 166838, 171745, 183260, 215908, 238340, 262174, 269885, 333676, 343490, 377839, 417095, 524348, 539770, 583933, 655435, 686980, 755678, 834190, 917609, 1079540, 1167866, 1310870, 1511356, 1668380, 1835218, 1889195, 2335732, 2621740, 2919665, 3670436, 3778390, 4588045, 5839330, 6423263, 7556780, 9176090, 11678660, 12846526, 18352180, 25693052, 32116315, 64232630, 128465260]

約数ペア:

[(1, 128465260), (2, 64232630), (4, 32116315), (5, 25693052), (7, 18352180), (10, 12846526), (11, 11678660), (14, 9176090), (17, 7556780), (20, 6423263), (22, 5839330), (28, 4588045), (34, 3778390), (35, 3670436), (44, 2919665), (49, 2621740), (55, 2335732), (68, 1889195), (70, 1835218), (77, 1668380), (85, 1511356), (98, 1310870), (110, 1167866), (119, 1079540), (140, 917609), (154, 834190), (170, 755678), (187, 686980), (196, 655435), (220, 583933), (238, 539770), (245, 524348), (308, 417095), (340, 377839), (374, 343490), (385, 333676), (476, 269885), (490, 262174), (539, 238340), (595, 215908), (701, 183260), (748, 171745), (770, 166838), (833, 154220), (935, 137396), (980, 131087), (1078, 119170), (1190, 107954), (1309, 98140), (1402, 91630), (1540, 83419), (1666, 77110), (1870, 68698), (2156, 59585), (2380, 53977), (2618, 49070), (2695, 47668), (2804, 45815), (3332, 38555), (3505, 36652), (3740, 34349), (4165, 30844), (4907, 26180), (5236, 24535), (5390, 23834), (6545, 19628), (7010, 18326), (7711, 16660), (8330, 15422), (9163, 14020), (9814, 13090), (10780, 11917)]