66815910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 144

約数和(自身を含む): 205405200

約数和(自身を除く): 138589290

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 109, 126, 139, 147, 210, 218, 245, 278, 294, 315, 327, 417, 441, 490, 545, 630, 654, 695, 735, 763, 834, 882, 973, 981, 1090, 1251, 1390, 1470, 1526, 1635, 1946, 1962, 2085, 2205, 2289, 2502, 2919, 3270, 3815, 4170, 4410, 4578, 4865, 4905, 5341, 5838, 6255, 6811, 6867, 7630, 8757, 9730, 9810, 10682, 11445, 12510, 13622, 13734, 14595, 15151, 16023, 17514, 20433, 22890, 26705, 29190, 30302, 32046, 34055, 34335, 40866, 43785, 45453, 48069, 53410, 61299, 68110, 68670, 75755, 80115, 87570, 90906, 96138, 102165, 106057, 122598, 136359, 151510, 160230, 204330, 212114, 227265, 240345, 272718, 306495, 318171, 454530, 480690, 530285, 612990, 636342, 681795, 742399, 954513, 1060570, 1363590, 1484798, 1590855, 1909026, 2227197, 3181710, 3711995, 4454394, 4772565, 6681591, 7423990, 9545130, 11135985, 13363182, 22271970, 33407955, 66815910]

約数ペア:

[(1, 66815910), (2, 33407955), (3, 22271970), (5, 13363182), (6, 11135985), (7, 9545130), (9, 7423990), (10, 6681591), (14, 4772565), (15, 4454394), (18, 3711995), (21, 3181710), (30, 2227197), (35, 1909026), (42, 1590855), (45, 1484798), (49, 1363590), (63, 1060570), (70, 954513), (90, 742399), (98, 681795), (105, 636342), (109, 612990), (126, 530285), (139, 480690), (147, 454530), (210, 318171), (218, 306495), (245, 272718), (278, 240345), (294, 227265), (315, 212114), (327, 204330), (417, 160230), (441, 151510), (490, 136359), (545, 122598), (630, 106057), (654, 102165), (695, 96138), (735, 90906), (763, 87570), (834, 80115), (882, 75755), (973, 68670), (981, 68110), (1090, 61299), (1251, 53410), (1390, 48069), (1470, 45453), (1526, 43785), (1635, 40866), (1946, 34335), (1962, 34055), (2085, 32046), (2205, 30302), (2289, 29190), (2502, 26705), (2919, 22890), (3270, 20433), (3815, 17514), (4170, 16023), (4410, 15151), (4578, 14595), (4865, 13734), (4905, 13622), (5341, 12510), (5838, 11445), (6255, 10682), (6811, 9810), (6867, 9730), (7630, 8757)]