222796620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1249}}^1$

素因数の和:2255

約数の個数: 72

約数和(自身を含む): 677040000

約数和(自身を除く): 454243380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 991, 1249, 1982, 2498, 2973, 3747, 3964, 4955, 4996, 5946, 6245, 7494, 8919, 9910, 11241, 11892, 12490, 14865, 14988, 17838, 18735, 19820, 22482, 24980, 29730, 35676, 37470, 44595, 44964, 56205, 59460, 74940, 89190, 112410, 178380, 224820, 1237759, 2475518, 3713277, 4951036, 6188795, 7426554, 11139831, 12377590, 14853108, 18566385, 22279662, 24755180, 37132770, 44559324, 55699155, 74265540, 111398310, 222796620]

約数ペア:

[(1, 222796620), (2, 111398310), (3, 74265540), (4, 55699155), (5, 44559324), (6, 37132770), (9, 24755180), (10, 22279662), (12, 18566385), (15, 14853108), (18, 12377590), (20, 11139831), (30, 7426554), (36, 6188795), (45, 4951036), (60, 3713277), (90, 2475518), (180, 1237759), (991, 224820), (1249, 178380), (1982, 112410), (2498, 89190), (2973, 74940), (3747, 59460), (3964, 56205), (4955, 44964), (4996, 44595), (5946, 37470), (6245, 35676), (7494, 29730), (8919, 24980), (9910, 22482), (11241, 19820), (11892, 18735), (12490, 17838), (14865, 14988)]