28356840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{347}}^1$

素因数の和:591

約数の個数: 96

約数和(自身を含む): 92832480

約数和(自身を除く): 64475640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 227, 347, 360, 454, 681, 694, 908, 1041, 1135, 1362, 1388, 1735, 1816, 2043, 2082, 2270, 2724, 2776, 3123, 3405, 3470, 4086, 4164, 4540, 5205, 5448, 6246, 6810, 6940, 8172, 8328, 9080, 10215, 10410, 12492, 13620, 13880, 15615, 16344, 20430, 20820, 24984, 27240, 31230, 40860, 41640, 62460, 78769, 81720, 124920, 157538, 236307, 315076, 393845, 472614, 630152, 708921, 787690, 945228, 1181535, 1417842, 1575380, 1890456, 2363070, 2835684, 3150760, 3544605, 4726140, 5671368, 7089210, 9452280, 14178420, 28356840]

約数ペア:

[(1, 28356840), (2, 14178420), (3, 9452280), (4, 7089210), (5, 5671368), (6, 4726140), (8, 3544605), (9, 3150760), (10, 2835684), (12, 2363070), (15, 1890456), (18, 1575380), (20, 1417842), (24, 1181535), (30, 945228), (36, 787690), (40, 708921), (45, 630152), (60, 472614), (72, 393845), (90, 315076), (120, 236307), (180, 157538), (227, 124920), (347, 81720), (360, 78769), (454, 62460), (681, 41640), (694, 40860), (908, 31230), (1041, 27240), (1135, 24984), (1362, 20820), (1388, 20430), (1735, 16344), (1816, 15615), (2043, 13880), (2082, 13620), (2270, 12492), (2724, 10410), (2776, 10215), (3123, 9080), (3405, 8328), (3470, 8172), (4086, 6940), (4164, 6810), (4540, 6246), (5205, 5448)]