202530180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 640120320

約数和(自身を除く): 437590140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 23, 30, 34, 46, 51, 60, 68, 69, 85, 89, 92, 97, 102, 115, 138, 170, 178, 194, 204, 230, 255, 267, 276, 291, 340, 345, 356, 388, 391, 445, 460, 485, 510, 534, 582, 690, 782, 890, 970, 1020, 1068, 1164, 1173, 1335, 1380, 1455, 1513, 1564, 1649, 1780, 1940, 1955, 2047, 2231, 2346, 2670, 2910, 3026, 3298, 3910, 4094, 4462, 4539, 4692, 4947, 5340, 5820, 5865, 6052, 6141, 6596, 6693, 7565, 7820, 8188, 8245, 8633, 8924, 9078, 9894, 10235, 11155, 11730, 12282, 13386, 15130, 16490, 17266, 18156, 19788, 20470, 22310, 22695, 23460, 24564, 24735, 25899, 26772, 30260, 30705, 32980, 33465, 34532, 34799, 37927, 40940, 43165, 44620, 45390, 49470, 51798, 61410, 66930, 69598, 75854, 86330, 90780, 98940, 103596, 104397, 113781, 122820, 129495, 133860, 139196, 146761, 151708, 172660, 173995, 189635, 198559, 208794, 227562, 258990, 293522, 347990, 379270, 397118, 417588, 440283, 455124, 517980, 521985, 568905, 587044, 595677, 695980, 733805, 758540, 794236, 880566, 992795, 1043970, 1137810, 1191354, 1467610, 1761132, 1985590, 2087940, 2201415, 2275620, 2382708, 2935220, 2978385, 3375503, 3971180, 4402830, 5956770, 6751006, 8805660, 10126509, 11913540, 13502012, 16877515, 20253018, 33755030, 40506036, 50632545, 67510060, 101265090, 202530180]

約数ペア:

[(1, 202530180), (2, 101265090), (3, 67510060), (4, 50632545), (5, 40506036), (6, 33755030), (10, 20253018), (12, 16877515), (15, 13502012), (17, 11913540), (20, 10126509), (23, 8805660), (30, 6751006), (34, 5956770), (46, 4402830), (51, 3971180), (60, 3375503), (68, 2978385), (69, 2935220), (85, 2382708), (89, 2275620), (92, 2201415), (97, 2087940), (102, 1985590), (115, 1761132), (138, 1467610), (170, 1191354), (178, 1137810), (194, 1043970), (204, 992795), (230, 880566), (255, 794236), (267, 758540), (276, 733805), (291, 695980), (340, 595677), (345, 587044), (356, 568905), (388, 521985), (391, 517980), (445, 455124), (460, 440283), (485, 417588), (510, 397118), (534, 379270), (582, 347990), (690, 293522), (782, 258990), (890, 227562), (970, 208794), (1020, 198559), (1068, 189635), (1164, 173995), (1173, 172660), (1335, 151708), (1380, 146761), (1455, 139196), (1513, 133860), (1564, 129495), (1649, 122820), (1780, 113781), (1940, 104397), (1955, 103596), (2047, 98940), (2231, 90780), (2346, 86330), (2670, 75854), (2910, 69598), (3026, 66930), (3298, 61410), (3910, 51798), (4094, 49470), (4462, 45390), (4539, 44620), (4692, 43165), (4947, 40940), (5340, 37927), (5820, 34799), (5865, 34532), (6052, 33465), (6141, 32980), (6596, 30705), (6693, 30260), (7565, 26772), (7820, 25899), (8188, 24735), (8245, 24564), (8633, 23460), (8924, 22695), (9078, 22310), (9894, 20470), (10235, 19788), (11155, 18156), (11730, 17266), (12282, 16490), (13386, 15130)]