307366240

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1999}}^1$

素因数の和:2076

約数の個数: 72

約数和(自身を含む): 750708000

約数和(自身を除く): 443341760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 961, 992, 1240, 1922, 1999, 2480, 3844, 3998, 4805, 4960, 7688, 7996, 9610, 9995, 15376, 15992, 19220, 19990, 30752, 31984, 38440, 39980, 61969, 63968, 76880, 79960, 123938, 153760, 159920, 247876, 309845, 319840, 495752, 619690, 991504, 1239380, 1921039, 1983008, 2478760, 3842078, 4957520, 7684156, 9605195, 9915040, 15368312, 19210390, 30736624, 38420780, 61473248, 76841560, 153683120, 307366240]

約数ペア:

[(1, 307366240), (2, 153683120), (4, 76841560), (5, 61473248), (8, 38420780), (10, 30736624), (16, 19210390), (20, 15368312), (31, 9915040), (32, 9605195), (40, 7684156), (62, 4957520), (80, 3842078), (124, 2478760), (155, 1983008), (160, 1921039), (248, 1239380), (310, 991504), (496, 619690), (620, 495752), (961, 319840), (992, 309845), (1240, 247876), (1922, 159920), (1999, 153760), (2480, 123938), (3844, 79960), (3998, 76880), (4805, 63968), (4960, 61969), (7688, 39980), (7996, 38440), (9610, 31984), (9995, 30752), (15376, 19990), (15992, 19220)]