128907360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89519}}^1$

素因数の和:89540

約数の個数: 72

約数和(自身を含む): 439901280

約数和(自身を除く): 310993920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 89519, 179038, 268557, 358076, 447595, 537114, 716152, 805671, 895190, 1074228, 1342785, 1432304, 1611342, 1790380, 2148456, 2685570, 2864608, 3222684, 3580760, 4028355, 4296912, 5371140, 6445368, 7161520, 8056710, 8593824, 10742280, 12890736, 14323040, 16113420, 21484560, 25781472, 32226840, 42969120, 64453680, 128907360]

約数ペア:

[(1, 128907360), (2, 64453680), (3, 42969120), (4, 32226840), (5, 25781472), (6, 21484560), (8, 16113420), (9, 14323040), (10, 12890736), (12, 10742280), (15, 8593824), (16, 8056710), (18, 7161520), (20, 6445368), (24, 5371140), (30, 4296912), (32, 4028355), (36, 3580760), (40, 3222684), (45, 2864608), (48, 2685570), (60, 2148456), (72, 1790380), (80, 1611342), (90, 1432304), (96, 1342785), (120, 1074228), (144, 895190), (160, 805671), (180, 716152), (240, 537114), (288, 447595), (360, 358076), (480, 268557), (720, 179038), (1440, 89519)]