188335980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7867}}^1$

素因数の和:7908

約数の個数: 144

約数和(自身を含む): 687348480

約数和(自身を除く): 499012500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7867, 7980, 11970, 15734, 23601, 23940, 31468, 39335, 47202, 55069, 70803, 78670, 94404, 110138, 118005, 141606, 149473, 157340, 165207, 220276, 236010, 275345, 283212, 298946, 330414, 354015, 448419, 472020, 495621, 550690, 597892, 660828, 708030, 747365, 826035, 896838, 991242, 1046311, 1101380, 1345257, 1416060, 1494730, 1652070, 1793676, 1982484, 2092622, 2242095, 2478105, 2690514, 2989460, 3138933, 3304140, 4185244, 4484190, 4956210, 5231555, 5381028, 6277866, 6726285, 8968380, 9416799, 9912420, 10463110, 12555732, 13452570, 15694665, 18833598, 20926220, 26905140, 31389330, 37667196, 47083995, 62778660, 94167990, 188335980]

約数ペア:

[(1, 188335980), (2, 94167990), (3, 62778660), (4, 47083995), (5, 37667196), (6, 31389330), (7, 26905140), (9, 20926220), (10, 18833598), (12, 15694665), (14, 13452570), (15, 12555732), (18, 10463110), (19, 9912420), (20, 9416799), (21, 8968380), (28, 6726285), (30, 6277866), (35, 5381028), (36, 5231555), (38, 4956210), (42, 4484190), (45, 4185244), (57, 3304140), (60, 3138933), (63, 2989460), (70, 2690514), (76, 2478105), (84, 2242095), (90, 2092622), (95, 1982484), (105, 1793676), (114, 1652070), (126, 1494730), (133, 1416060), (140, 1345257), (171, 1101380), (180, 1046311), (190, 991242), (210, 896838), (228, 826035), (252, 747365), (266, 708030), (285, 660828), (315, 597892), (342, 550690), (380, 495621), (399, 472020), (420, 448419), (532, 354015), (570, 330414), (630, 298946), (665, 283212), (684, 275345), (798, 236010), (855, 220276), (1140, 165207), (1197, 157340), (1260, 149473), (1330, 141606), (1596, 118005), (1710, 110138), (1995, 94404), (2394, 78670), (2660, 70803), (3420, 55069), (3990, 47202), (4788, 39335), (5985, 31468), (7867, 23940), (7980, 23601), (11970, 15734)]