31801140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:251

約数の個数: 192

約数和(自身を含む): 116121600

約数和(自身を除く): 84320460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 47, 54, 60, 63, 70, 84, 90, 94, 105, 108, 126, 135, 140, 141, 179, 180, 188, 189, 210, 235, 252, 270, 282, 315, 329, 358, 378, 420, 423, 470, 537, 540, 564, 630, 658, 705, 716, 756, 846, 895, 940, 945, 987, 1074, 1253, 1260, 1269, 1316, 1410, 1611, 1645, 1692, 1790, 1890, 1974, 2115, 2148, 2506, 2538, 2685, 2820, 2961, 3222, 3290, 3580, 3759, 3780, 3948, 4230, 4833, 4935, 5012, 5076, 5370, 5922, 6265, 6345, 6444, 6580, 7518, 8055, 8413, 8460, 8883, 9666, 9870, 10740, 11277, 11844, 12530, 12690, 14805, 15036, 16110, 16826, 17766, 18795, 19332, 19740, 22554, 24165, 25060, 25239, 25380, 29610, 32220, 33652, 33831, 35532, 37590, 42065, 44415, 45108, 48330, 50478, 56385, 58891, 59220, 67662, 75180, 75717, 84130, 88830, 96660, 100956, 112770, 117782, 126195, 135324, 151434, 168260, 169155, 176673, 177660, 225540, 227151, 235564, 252390, 294455, 302868, 338310, 353346, 378585, 454302, 504780, 530019, 588910, 676620, 706692, 757170, 883365, 908604, 1060038, 1135755, 1177820, 1514340, 1590057, 1766730, 2120076, 2271510, 2650095, 3180114, 3533460, 4543020, 5300190, 6360228, 7950285, 10600380, 15900570, 31801140]

約数ペア:

[(1, 31801140), (2, 15900570), (3, 10600380), (4, 7950285), (5, 6360228), (6, 5300190), (7, 4543020), (9, 3533460), (10, 3180114), (12, 2650095), (14, 2271510), (15, 2120076), (18, 1766730), (20, 1590057), (21, 1514340), (27, 1177820), (28, 1135755), (30, 1060038), (35, 908604), (36, 883365), (42, 757170), (45, 706692), (47, 676620), (54, 588910), (60, 530019), (63, 504780), (70, 454302), (84, 378585), (90, 353346), (94, 338310), (105, 302868), (108, 294455), (126, 252390), (135, 235564), (140, 227151), (141, 225540), (179, 177660), (180, 176673), (188, 169155), (189, 168260), (210, 151434), (235, 135324), (252, 126195), (270, 117782), (282, 112770), (315, 100956), (329, 96660), (358, 88830), (378, 84130), (420, 75717), (423, 75180), (470, 67662), (537, 59220), (540, 58891), (564, 56385), (630, 50478), (658, 48330), (705, 45108), (716, 44415), (756, 42065), (846, 37590), (895, 35532), (940, 33831), (945, 33652), (987, 32220), (1074, 29610), (1253, 25380), (1260, 25239), (1269, 25060), (1316, 24165), (1410, 22554), (1611, 19740), (1645, 19332), (1692, 18795), (1790, 17766), (1890, 16826), (1974, 16110), (2115, 15036), (2148, 14805), (2506, 12690), (2538, 12530), (2685, 11844), (2820, 11277), (2961, 10740), (3222, 9870), (3290, 9666), (3580, 8883), (3759, 8460), (3780, 8413), (3948, 8055), (4230, 7518), (4833, 6580), (4935, 6444), (5012, 6345), (5076, 6265), (5370, 5922)]