28211280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 160

約数和(自身を含む): 92994048

約数和(自身を除く): 64782768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 47, 48, 60, 61, 80, 82, 94, 120, 122, 123, 141, 164, 183, 188, 205, 235, 240, 244, 246, 282, 305, 328, 366, 376, 410, 470, 488, 492, 564, 610, 615, 656, 705, 732, 752, 820, 915, 940, 976, 984, 1128, 1220, 1230, 1410, 1464, 1640, 1830, 1880, 1927, 1968, 2256, 2440, 2460, 2501, 2820, 2867, 2928, 3280, 3660, 3760, 3854, 4880, 4920, 5002, 5640, 5734, 5781, 7320, 7503, 7708, 8601, 9635, 9840, 10004, 11280, 11468, 11562, 12505, 14335, 14640, 15006, 15416, 17202, 19270, 20008, 22936, 23124, 25010, 28670, 28905, 30012, 30832, 34404, 37515, 38540, 40016, 43005, 45872, 46248, 50020, 57340, 57810, 60024, 68808, 75030, 77080, 86010, 92496, 100040, 114680, 115620, 117547, 120048, 137616, 150060, 154160, 172020, 200080, 229360, 231240, 235094, 300120, 344040, 352641, 462480, 470188, 587735, 600240, 688080, 705282, 940376, 1175470, 1410564, 1763205, 1880752, 2350940, 2821128, 3526410, 4701880, 5642256, 7052820, 9403760, 14105640, 28211280]

約数ペア:

[(1, 28211280), (2, 14105640), (3, 9403760), (4, 7052820), (5, 5642256), (6, 4701880), (8, 3526410), (10, 2821128), (12, 2350940), (15, 1880752), (16, 1763205), (20, 1410564), (24, 1175470), (30, 940376), (40, 705282), (41, 688080), (47, 600240), (48, 587735), (60, 470188), (61, 462480), (80, 352641), (82, 344040), (94, 300120), (120, 235094), (122, 231240), (123, 229360), (141, 200080), (164, 172020), (183, 154160), (188, 150060), (205, 137616), (235, 120048), (240, 117547), (244, 115620), (246, 114680), (282, 100040), (305, 92496), (328, 86010), (366, 77080), (376, 75030), (410, 68808), (470, 60024), (488, 57810), (492, 57340), (564, 50020), (610, 46248), (615, 45872), (656, 43005), (705, 40016), (732, 38540), (752, 37515), (820, 34404), (915, 30832), (940, 30012), (976, 28905), (984, 28670), (1128, 25010), (1220, 23124), (1230, 22936), (1410, 20008), (1464, 19270), (1640, 17202), (1830, 15416), (1880, 15006), (1927, 14640), (1968, 14335), (2256, 12505), (2440, 11562), (2460, 11468), (2501, 11280), (2820, 10004), (2867, 9840), (2928, 9635), (3280, 8601), (3660, 7708), (3760, 7503), (3854, 7320), (4880, 5781), (4920, 5734), (5002, 5640)]