628609860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:674

約数の個数: 144

約数和(自身を含む): 1956794112

約数和(自身を除く): 1328184252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 101, 142, 180, 202, 213, 284, 303, 355, 404, 426, 487, 505, 606, 639, 710, 852, 909, 974, 1010, 1065, 1212, 1278, 1420, 1461, 1515, 1818, 1948, 2020, 2130, 2435, 2556, 2922, 3030, 3195, 3636, 4260, 4383, 4545, 4870, 5844, 6060, 6390, 7171, 7305, 8766, 9090, 9740, 12780, 14342, 14610, 17532, 18180, 21513, 21915, 28684, 29220, 34577, 35855, 43026, 43830, 49187, 64539, 69154, 71710, 86052, 87660, 98374, 103731, 107565, 129078, 138308, 143420, 147561, 172885, 196748, 207462, 215130, 245935, 258156, 295122, 311193, 322695, 345770, 414924, 430260, 442683, 491870, 518655, 590244, 622386, 645390, 691540, 737805, 885366, 983740, 1037310, 1244772, 1290780, 1475610, 1555965, 1770732, 2074620, 2213415, 2951220, 3111930, 3492277, 4426830, 6223860, 6984554, 8853660, 10476831, 13969108, 17461385, 20953662, 31430493, 34922770, 41907324, 52384155, 62860986, 69845540, 104768310, 125721972, 157152465, 209536620, 314304930, 628609860]

約数ペア:

[(1, 628609860), (2, 314304930), (3, 209536620), (4, 157152465), (5, 125721972), (6, 104768310), (9, 69845540), (10, 62860986), (12, 52384155), (15, 41907324), (18, 34922770), (20, 31430493), (30, 20953662), (36, 17461385), (45, 13969108), (60, 10476831), (71, 8853660), (90, 6984554), (101, 6223860), (142, 4426830), (180, 3492277), (202, 3111930), (213, 2951220), (284, 2213415), (303, 2074620), (355, 1770732), (404, 1555965), (426, 1475610), (487, 1290780), (505, 1244772), (606, 1037310), (639, 983740), (710, 885366), (852, 737805), (909, 691540), (974, 645390), (1010, 622386), (1065, 590244), (1212, 518655), (1278, 491870), (1420, 442683), (1461, 430260), (1515, 414924), (1818, 345770), (1948, 322695), (2020, 311193), (2130, 295122), (2435, 258156), (2556, 245935), (2922, 215130), (3030, 207462), (3195, 196748), (3636, 172885), (4260, 147561), (4383, 143420), (4545, 138308), (4870, 129078), (5844, 107565), (6060, 103731), (6390, 98374), (7171, 87660), (7305, 86052), (8766, 71710), (9090, 69154), (9740, 64539), (12780, 49187), (14342, 43830), (14610, 43026), (17532, 35855), (18180, 34577), (21513, 29220), (21915, 28684)]