28442340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:299

約数の個数: 120

約数和(自身を含む): 90642552

約数和(自身を除く): 62200212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 97, 108, 135, 162, 180, 181, 194, 270, 291, 324, 362, 388, 405, 485, 540, 543, 582, 724, 810, 873, 905, 970, 1086, 1164, 1455, 1620, 1629, 1746, 1810, 1940, 2172, 2619, 2715, 2910, 3258, 3492, 3620, 4365, 4887, 5238, 5430, 5820, 6516, 7857, 8145, 8730, 9774, 10476, 10860, 13095, 14661, 15714, 16290, 17460, 17557, 19548, 24435, 26190, 29322, 31428, 32580, 35114, 39285, 48870, 52380, 52671, 58644, 70228, 73305, 78570, 87785, 97740, 105342, 146610, 157140, 158013, 175570, 210684, 263355, 293220, 316026, 351140, 474039, 526710, 632052, 790065, 948078, 1053420, 1422117, 1580130, 1896156, 2370195, 2844234, 3160260, 4740390, 5688468, 7110585, 9480780, 14221170, 28442340]

約数ペア:

[(1, 28442340), (2, 14221170), (3, 9480780), (4, 7110585), (5, 5688468), (6, 4740390), (9, 3160260), (10, 2844234), (12, 2370195), (15, 1896156), (18, 1580130), (20, 1422117), (27, 1053420), (30, 948078), (36, 790065), (45, 632052), (54, 526710), (60, 474039), (81, 351140), (90, 316026), (97, 293220), (108, 263355), (135, 210684), (162, 175570), (180, 158013), (181, 157140), (194, 146610), (270, 105342), (291, 97740), (324, 87785), (362, 78570), (388, 73305), (405, 70228), (485, 58644), (540, 52671), (543, 52380), (582, 48870), (724, 39285), (810, 35114), (873, 32580), (905, 31428), (970, 29322), (1086, 26190), (1164, 24435), (1455, 19548), (1620, 17557), (1629, 17460), (1746, 16290), (1810, 15714), (1940, 14661), (2172, 13095), (2619, 10860), (2715, 10476), (2910, 9774), (3258, 8730), (3492, 8145), (3620, 7857), (4365, 6516), (4887, 5820), (5238, 5430)]