18927120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4639}}^1$

素因数の和:4672

約数の個数: 80

約数和(自身を含む): 62138880

約数和(自身を除く): 43211760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 4639, 9278, 13917, 18556, 23195, 27834, 37112, 46390, 55668, 69585, 74224, 78863, 92780, 111336, 139170, 157726, 185560, 222672, 236589, 278340, 315452, 371120, 394315, 473178, 556680, 630904, 788630, 946356, 1113360, 1182945, 1261808, 1577260, 1892712, 2365890, 3154520, 3785424, 4731780, 6309040, 9463560, 18927120]

約数ペア:

[(1, 18927120), (2, 9463560), (3, 6309040), (4, 4731780), (5, 3785424), (6, 3154520), (8, 2365890), (10, 1892712), (12, 1577260), (15, 1261808), (16, 1182945), (17, 1113360), (20, 946356), (24, 788630), (30, 630904), (34, 556680), (40, 473178), (48, 394315), (51, 371120), (60, 315452), (68, 278340), (80, 236589), (85, 222672), (102, 185560), (120, 157726), (136, 139170), (170, 111336), (204, 92780), (240, 78863), (255, 74224), (272, 69585), (340, 55668), (408, 46390), (510, 37112), (680, 27834), (816, 23195), (1020, 18556), (1360, 13917), (2040, 9278), (4080, 4639)]