1748656980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1387823}}^1$

素因数の和:1387845

約数の個数: 72

約数和(自身を含む): 6062015232

約数和(自身を除く): 4313358252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1387823, 2775646, 4163469, 5551292, 6939115, 8326938, 9714761, 12490407, 13878230, 16653876, 19429522, 20817345, 24980814, 27756460, 29144283, 38859044, 41634690, 48573805, 49961628, 58288566, 62452035, 83269380, 87432849, 97147610, 116577132, 124904070, 145721415, 174865698, 194295220, 249808140, 291442830, 349731396, 437164245, 582885660, 874328490, 1748656980]

約数ペア:

[(1, 1748656980), (2, 874328490), (3, 582885660), (4, 437164245), (5, 349731396), (6, 291442830), (7, 249808140), (9, 194295220), (10, 174865698), (12, 145721415), (14, 124904070), (15, 116577132), (18, 97147610), (20, 87432849), (21, 83269380), (28, 62452035), (30, 58288566), (35, 49961628), (36, 48573805), (42, 41634690), (45, 38859044), (60, 29144283), (63, 27756460), (70, 24980814), (84, 20817345), (90, 19429522), (105, 16653876), (126, 13878230), (140, 12490407), (180, 9714761), (210, 8326938), (252, 6939115), (315, 5551292), (420, 4163469), (630, 2775646), (1260, 1387823)]