25282980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 83026944

約数和(自身を除く): 57743964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 197, 207, 230, 276, 279, 310, 345, 372, 394, 414, 460, 465, 558, 591, 620, 690, 713, 788, 828, 930, 985, 1035, 1116, 1182, 1380, 1395, 1426, 1773, 1860, 1970, 2070, 2139, 2364, 2790, 2852, 2955, 3546, 3565, 3940, 4140, 4278, 4531, 5580, 5910, 6107, 6417, 7092, 7130, 8556, 8865, 9062, 10695, 11820, 12214, 12834, 13593, 14260, 17730, 18124, 18321, 21390, 22655, 24428, 25668, 27186, 30535, 32085, 35460, 36642, 40779, 42780, 45310, 54372, 54963, 61070, 64170, 67965, 73284, 81558, 90620, 91605, 109926, 122140, 128340, 135930, 140461, 163116, 183210, 203895, 219852, 271860, 274815, 280922, 366420, 407790, 421383, 549630, 561844, 702305, 815580, 842766, 1099260, 1264149, 1404610, 1685532, 2106915, 2528298, 2809220, 4213830, 5056596, 6320745, 8427660, 12641490, 25282980]

約数ペア:

[(1, 25282980), (2, 12641490), (3, 8427660), (4, 6320745), (5, 5056596), (6, 4213830), (9, 2809220), (10, 2528298), (12, 2106915), (15, 1685532), (18, 1404610), (20, 1264149), (23, 1099260), (30, 842766), (31, 815580), (36, 702305), (45, 561844), (46, 549630), (60, 421383), (62, 407790), (69, 366420), (90, 280922), (92, 274815), (93, 271860), (115, 219852), (124, 203895), (138, 183210), (155, 163116), (180, 140461), (186, 135930), (197, 128340), (207, 122140), (230, 109926), (276, 91605), (279, 90620), (310, 81558), (345, 73284), (372, 67965), (394, 64170), (414, 61070), (460, 54963), (465, 54372), (558, 45310), (591, 42780), (620, 40779), (690, 36642), (713, 35460), (788, 32085), (828, 30535), (930, 27186), (985, 25668), (1035, 24428), (1116, 22655), (1182, 21390), (1380, 18321), (1395, 18124), (1426, 17730), (1773, 14260), (1860, 13593), (1970, 12834), (2070, 12214), (2139, 11820), (2364, 10695), (2790, 9062), (2852, 8865), (2955, 8556), (3546, 7130), (3565, 7092), (3940, 6417), (4140, 6107), (4278, 5910), (4531, 5580)]