257814720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{89519}}^1$

素因数の和:89542

約数の個数: 84

約数和(自身を含む): 886785120

約数和(自身を除く): 628970400

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, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 89519, 179038, 268557, 358076, 447595, 537114, 716152, 805671, 895190, 1074228, 1342785, 1432304, 1611342, 1790380, 2148456, 2685570, 2864608, 3222684, 3580760, 4028355, 4296912, 5371140, 5729216, 6445368, 7161520, 8056710, 8593824, 10742280, 12890736, 14323040, 16113420, 17187648, 21484560, 25781472, 28646080, 32226840, 42969120, 51562944, 64453680, 85938240, 128907360, 257814720]

約数ペア:

[(1, 257814720), (2, 128907360), (3, 85938240), (4, 64453680), (5, 51562944), (6, 42969120), (8, 32226840), (9, 28646080), (10, 25781472), (12, 21484560), (15, 17187648), (16, 16113420), (18, 14323040), (20, 12890736), (24, 10742280), (30, 8593824), (32, 8056710), (36, 7161520), (40, 6445368), (45, 5729216), (48, 5371140), (60, 4296912), (64, 4028355), (72, 3580760), (80, 3222684), (90, 2864608), (96, 2685570), (120, 2148456), (144, 1790380), (160, 1611342), (180, 1432304), (192, 1342785), (240, 1074228), (288, 895190), (320, 805671), (360, 716152), (480, 537114), (576, 447595), (720, 358076), (960, 268557), (1440, 179038), (2880, 89519)]