651780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:106

約数の個数: 96

約数和(自身を含む): 2177280

約数和(自身を除く): 1525500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 71, 85, 90, 102, 108, 135, 142, 153, 170, 180, 204, 213, 255, 270, 284, 306, 340, 355, 426, 459, 510, 540, 612, 639, 710, 765, 852, 918, 1020, 1065, 1207, 1278, 1420, 1530, 1836, 1917, 2130, 2295, 2414, 2556, 3060, 3195, 3621, 3834, 4260, 4590, 4828, 6035, 6390, 7242, 7668, 9180, 9585, 10863, 12070, 12780, 14484, 18105, 19170, 21726, 24140, 32589, 36210, 38340, 43452, 54315, 65178, 72420, 108630, 130356, 162945, 217260, 325890, 651780]

約数ペア:

[(1, 651780), (2, 325890), (3, 217260), (4, 162945), (5, 130356), (6, 108630), (9, 72420), (10, 65178), (12, 54315), (15, 43452), (17, 38340), (18, 36210), (20, 32589), (27, 24140), (30, 21726), (34, 19170), (36, 18105), (45, 14484), (51, 12780), (54, 12070), (60, 10863), (68, 9585), (71, 9180), (85, 7668), (90, 7242), (102, 6390), (108, 6035), (135, 4828), (142, 4590), (153, 4260), (170, 3834), (180, 3621), (204, 3195), (213, 3060), (255, 2556), (270, 2414), (284, 2295), (306, 2130), (340, 1917), (355, 1836), (426, 1530), (459, 1420), (510, 1278), (540, 1207), (612, 1065), (639, 1020), (710, 918), (765, 852)]