16660980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{1889}}^1$

素因数の和:1918

約数の個数: 108

約数和(自身を含む): 58820580

約数和(自身を除く): 42159600

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 1889, 2205, 2940, 3778, 4410, 5667, 7556, 8820, 9445, 11334, 13223, 17001, 18890, 22668, 26446, 28335, 34002, 37780, 39669, 52892, 56670, 66115, 68004, 79338, 85005, 92561, 113340, 119007, 132230, 158676, 170010, 185122, 198345, 238014, 264460, 277683, 340020, 370244, 396690, 462805, 476028, 555366, 595035, 793380, 833049, 925610, 1110732, 1190070, 1388415, 1666098, 1851220, 2380140, 2776830, 3332196, 4165245, 5553660, 8330490, 16660980]

約数ペア:

[(1, 16660980), (2, 8330490), (3, 5553660), (4, 4165245), (5, 3332196), (6, 2776830), (7, 2380140), (9, 1851220), (10, 1666098), (12, 1388415), (14, 1190070), (15, 1110732), (18, 925610), (20, 833049), (21, 793380), (28, 595035), (30, 555366), (35, 476028), (36, 462805), (42, 396690), (45, 370244), (49, 340020), (60, 277683), (63, 264460), (70, 238014), (84, 198345), (90, 185122), (98, 170010), (105, 158676), (126, 132230), (140, 119007), (147, 113340), (180, 92561), (196, 85005), (210, 79338), (245, 68004), (252, 66115), (294, 56670), (315, 52892), (420, 39669), (441, 37780), (490, 34002), (588, 28335), (630, 26446), (735, 22668), (882, 18890), (980, 17001), (1260, 13223), (1470, 11334), (1764, 9445), (1889, 8820), (2205, 7556), (2940, 5667), (3778, 4410)]