40397580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 129729600

約数和(自身を除く): 89332020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 71, 87, 90, 109, 116, 142, 145, 174, 180, 213, 218, 261, 284, 290, 327, 348, 355, 426, 435, 436, 522, 545, 580, 639, 654, 710, 852, 870, 981, 1044, 1065, 1090, 1278, 1305, 1308, 1420, 1635, 1740, 1962, 2059, 2130, 2180, 2556, 2610, 3161, 3195, 3270, 3924, 4118, 4260, 4905, 5220, 6177, 6322, 6390, 6540, 7739, 8236, 9483, 9810, 10295, 12354, 12644, 12780, 15478, 15805, 18531, 18966, 19620, 20590, 23217, 24708, 28449, 30885, 30956, 31610, 37062, 37932, 38695, 41180, 46434, 47415, 56898, 61770, 63220, 69651, 74124, 77390, 92655, 92868, 94830, 113796, 116085, 123540, 139302, 142245, 154780, 185310, 189660, 224431, 232170, 278604, 284490, 348255, 370620, 448862, 464340, 568980, 673293, 696510, 897724, 1122155, 1346586, 1393020, 2019879, 2244310, 2693172, 3366465, 4039758, 4488620, 6732930, 8079516, 10099395, 13465860, 20198790, 40397580]

約数ペア:

[(1, 40397580), (2, 20198790), (3, 13465860), (4, 10099395), (5, 8079516), (6, 6732930), (9, 4488620), (10, 4039758), (12, 3366465), (15, 2693172), (18, 2244310), (20, 2019879), (29, 1393020), (30, 1346586), (36, 1122155), (45, 897724), (58, 696510), (60, 673293), (71, 568980), (87, 464340), (90, 448862), (109, 370620), (116, 348255), (142, 284490), (145, 278604), (174, 232170), (180, 224431), (213, 189660), (218, 185310), (261, 154780), (284, 142245), (290, 139302), (327, 123540), (348, 116085), (355, 113796), (426, 94830), (435, 92868), (436, 92655), (522, 77390), (545, 74124), (580, 69651), (639, 63220), (654, 61770), (710, 56898), (852, 47415), (870, 46434), (981, 41180), (1044, 38695), (1065, 37932), (1090, 37062), (1278, 31610), (1305, 30956), (1308, 30885), (1420, 28449), (1635, 24708), (1740, 23217), (1962, 20590), (2059, 19620), (2130, 18966), (2180, 18531), (2556, 15805), (2610, 15478), (3161, 12780), (3195, 12644), (3270, 12354), (3924, 10295), (4118, 9810), (4260, 9483), (4905, 8236), (5220, 7739), (6177, 6540), (6322, 6390)]