31630155

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 25393845

約数列:

[1, 3, 5, 15, 19, 29, 43, 57, 87, 89, 95, 129, 145, 215, 267, 285, 435, 445, 551, 645, 817, 1247, 1335, 1653, 1691, 2451, 2581, 2755, 3741, 3827, 4085, 5073, 6235, 7743, 8265, 8455, 11481, 12255, 12905, 18705, 19135, 23693, 25365, 38715, 49039, 57405, 71079, 72713, 110983, 118465, 147117, 218139, 245195, 332949, 355395, 363565, 554915, 735585, 1090695, 1664745, 2108677, 6326031, 10543385, 31630155]

約数ペア:

[(1, 31630155), (3, 10543385), (5, 6326031), (15, 2108677), (19, 1664745), (29, 1090695), (43, 735585), (57, 554915), (87, 363565), (89, 355395), (95, 332949), (129, 245195), (145, 218139), (215, 147117), (267, 118465), (285, 110983), (435, 72713), (445, 71079), (551, 57405), (645, 49039), (817, 38715), (1247, 25365), (1335, 23693), (1653, 19135), (1691, 18705), (2451, 12905), (2581, 12255), (2755, 11481), (3741, 8455), (3827, 8265), (4085, 7743), (5073, 6235)]