30828420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:634

約数の個数: 144

約数和(自身を含む): 109549440

約数和(自身を除く): 78721020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 569, 602, 630, 645, 774, 860, 903, 1138, 1204, 1260, 1290, 1505, 1548, 1707, 1806, 1935, 2276, 2580, 2709, 2845, 3010, 3414, 3612, 3870, 3983, 4515, 5121, 5418, 5690, 6020, 6828, 7740, 7966, 8535, 9030, 10242, 10836, 11380, 11949, 13545, 15932, 17070, 18060, 19915, 20484, 23898, 24467, 25605, 27090, 34140, 35847, 39830, 47796, 48934, 51210, 54180, 59745, 71694, 73401, 79660, 97868, 102420, 119490, 122335, 143388, 146802, 171269, 179235, 220203, 238980, 244670, 293604, 342538, 358470, 367005, 440406, 489340, 513807, 685076, 716940, 734010, 856345, 880812, 1027614, 1101015, 1468020, 1541421, 1712690, 2055228, 2202030, 2569035, 3082842, 3425380, 4404060, 5138070, 6165684, 7707105, 10276140, 15414210, 30828420]

約数ペア:

[(1, 30828420), (2, 15414210), (3, 10276140), (4, 7707105), (5, 6165684), (6, 5138070), (7, 4404060), (9, 3425380), (10, 3082842), (12, 2569035), (14, 2202030), (15, 2055228), (18, 1712690), (20, 1541421), (21, 1468020), (28, 1101015), (30, 1027614), (35, 880812), (36, 856345), (42, 734010), (43, 716940), (45, 685076), (60, 513807), (63, 489340), (70, 440406), (84, 367005), (86, 358470), (90, 342538), (105, 293604), (126, 244670), (129, 238980), (140, 220203), (172, 179235), (180, 171269), (210, 146802), (215, 143388), (252, 122335), (258, 119490), (301, 102420), (315, 97868), (387, 79660), (420, 73401), (430, 71694), (516, 59745), (569, 54180), (602, 51210), (630, 48934), (645, 47796), (774, 39830), (860, 35847), (903, 34140), (1138, 27090), (1204, 25605), (1260, 24467), (1290, 23898), (1505, 20484), (1548, 19915), (1707, 18060), (1806, 17070), (1935, 15932), (2276, 13545), (2580, 11949), (2709, 11380), (2845, 10836), (3010, 10242), (3414, 9030), (3612, 8535), (3870, 7966), (3983, 7740), (4515, 6828), (5121, 6020), (5418, 5690)]