61021980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7213}}^1$

素因数の和:7275

約数の個数: 72

約数和(自身を含む): 189064512

約数和(自身を除く): 128042532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 7213, 8460, 14426, 21639, 28852, 36065, 43278, 64917, 72130, 86556, 108195, 129834, 144260, 216390, 259668, 324585, 339011, 432780, 649170, 678022, 1017033, 1298340, 1356044, 1695055, 2034066, 3051099, 3390110, 4068132, 5085165, 6102198, 6780220, 10170330, 12204396, 15255495, 20340660, 30510990, 61021980]

約数ペア:

[(1, 61021980), (2, 30510990), (3, 20340660), (4, 15255495), (5, 12204396), (6, 10170330), (9, 6780220), (10, 6102198), (12, 5085165), (15, 4068132), (18, 3390110), (20, 3051099), (30, 2034066), (36, 1695055), (45, 1356044), (47, 1298340), (60, 1017033), (90, 678022), (94, 649170), (141, 432780), (180, 339011), (188, 324585), (235, 259668), (282, 216390), (423, 144260), (470, 129834), (564, 108195), (705, 86556), (846, 72130), (940, 64917), (1410, 43278), (1692, 36065), (2115, 28852), (2820, 21639), (4230, 14426), (7213, 8460)]