72685980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 233722944

約数和(自身を除く): 161036964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 97, 115, 138, 180, 181, 194, 207, 230, 276, 291, 345, 362, 388, 414, 460, 485, 543, 582, 690, 724, 828, 873, 905, 970, 1035, 1086, 1164, 1380, 1455, 1629, 1746, 1810, 1940, 2070, 2172, 2231, 2715, 2910, 3258, 3492, 3620, 4140, 4163, 4365, 4462, 5430, 5820, 6516, 6693, 8145, 8326, 8730, 8924, 10860, 11155, 12489, 13386, 16290, 16652, 17460, 17557, 20079, 20815, 22310, 24978, 26772, 32580, 33465, 35114, 37467, 40158, 41630, 44620, 49956, 52671, 62445, 66930, 70228, 74934, 80316, 83260, 87785, 100395, 105342, 124890, 133860, 149868, 158013, 175570, 187335, 200790, 210684, 249780, 263355, 316026, 351140, 374670, 401580, 403811, 526710, 632052, 749340, 790065, 807622, 1053420, 1211433, 1580130, 1615244, 2019055, 2422866, 3160260, 3634299, 4038110, 4845732, 6057165, 7268598, 8076220, 12114330, 14537196, 18171495, 24228660, 36342990, 72685980]

約数ペア:

[(1, 72685980), (2, 36342990), (3, 24228660), (4, 18171495), (5, 14537196), (6, 12114330), (9, 8076220), (10, 7268598), (12, 6057165), (15, 4845732), (18, 4038110), (20, 3634299), (23, 3160260), (30, 2422866), (36, 2019055), (45, 1615244), (46, 1580130), (60, 1211433), (69, 1053420), (90, 807622), (92, 790065), (97, 749340), (115, 632052), (138, 526710), (180, 403811), (181, 401580), (194, 374670), (207, 351140), (230, 316026), (276, 263355), (291, 249780), (345, 210684), (362, 200790), (388, 187335), (414, 175570), (460, 158013), (485, 149868), (543, 133860), (582, 124890), (690, 105342), (724, 100395), (828, 87785), (873, 83260), (905, 80316), (970, 74934), (1035, 70228), (1086, 66930), (1164, 62445), (1380, 52671), (1455, 49956), (1629, 44620), (1746, 41630), (1810, 40158), (1940, 37467), (2070, 35114), (2172, 33465), (2231, 32580), (2715, 26772), (2910, 24978), (3258, 22310), (3492, 20815), (3620, 20079), (4140, 17557), (4163, 17460), (4365, 16652), (4462, 16290), (5430, 13386), (5820, 12489), (6516, 11155), (6693, 10860), (8145, 8924), (8326, 8730)]