42418640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 160

約数和(自身を含む): 117849600

約数和(自身を除く): 75430960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 43, 44, 55, 59, 76, 80, 86, 88, 95, 110, 118, 152, 172, 176, 190, 209, 215, 220, 236, 295, 304, 344, 380, 418, 430, 440, 472, 473, 590, 649, 688, 760, 817, 836, 860, 880, 944, 946, 1045, 1121, 1180, 1298, 1520, 1634, 1672, 1720, 1892, 2090, 2242, 2360, 2365, 2537, 2596, 3245, 3268, 3344, 3440, 3784, 4085, 4180, 4484, 4720, 4730, 5074, 5192, 5605, 6490, 6536, 7568, 8170, 8360, 8968, 8987, 9460, 10148, 10384, 11210, 12331, 12685, 12980, 13072, 16340, 16720, 17936, 17974, 18920, 20296, 22420, 24662, 25370, 25960, 27907, 32680, 35948, 37840, 40592, 44840, 44935, 48203, 49324, 50740, 51920, 55814, 61655, 65360, 71896, 89680, 89870, 96406, 98648, 101480, 111628, 123310, 139535, 143792, 179740, 192812, 197296, 202960, 223256, 241015, 246620, 279070, 359480, 385624, 446512, 482030, 493240, 530233, 558140, 718960, 771248, 964060, 986480, 1060466, 1116280, 1928120, 2120932, 2232560, 2651165, 3856240, 4241864, 5302330, 8483728, 10604660, 21209320, 42418640]

約数ペア:

[(1, 42418640), (2, 21209320), (4, 10604660), (5, 8483728), (8, 5302330), (10, 4241864), (11, 3856240), (16, 2651165), (19, 2232560), (20, 2120932), (22, 1928120), (38, 1116280), (40, 1060466), (43, 986480), (44, 964060), (55, 771248), (59, 718960), (76, 558140), (80, 530233), (86, 493240), (88, 482030), (95, 446512), (110, 385624), (118, 359480), (152, 279070), (172, 246620), (176, 241015), (190, 223256), (209, 202960), (215, 197296), (220, 192812), (236, 179740), (295, 143792), (304, 139535), (344, 123310), (380, 111628), (418, 101480), (430, 98648), (440, 96406), (472, 89870), (473, 89680), (590, 71896), (649, 65360), (688, 61655), (760, 55814), (817, 51920), (836, 50740), (860, 49324), (880, 48203), (944, 44935), (946, 44840), (1045, 40592), (1121, 37840), (1180, 35948), (1298, 32680), (1520, 27907), (1634, 25960), (1672, 25370), (1720, 24662), (1892, 22420), (2090, 20296), (2242, 18920), (2360, 17974), (2365, 17936), (2537, 16720), (2596, 16340), (3245, 13072), (3268, 12980), (3344, 12685), (3440, 12331), (3784, 11210), (4085, 10384), (4180, 10148), (4484, 9460), (4720, 8987), (4730, 8968), (5074, 8360), (5192, 8170), (5605, 7568), (6490, 6536)]