301520025

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 572775840

約数和(自身を除く): 271255815

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 251, 281, 285, 475, 753, 843, 855, 1255, 1405, 1425, 2259, 2529, 3765, 4215, 4275, 4769, 5339, 6275, 7025, 11295, 12645, 14307, 16017, 18825, 21075, 23845, 26695, 42921, 48051, 56475, 63225, 70531, 71535, 80085, 119225, 133475, 211593, 214605, 240255, 352655, 357675, 400425, 634779, 1057965, 1073025, 1201275, 1340089, 1763275, 3173895, 4020267, 5289825, 6700445, 12060801, 15869475, 20101335, 33502225, 60304005, 100506675, 301520025]

約数ペア:

[(1, 301520025), (3, 100506675), (5, 60304005), (9, 33502225), (15, 20101335), (19, 15869475), (25, 12060801), (45, 6700445), (57, 5289825), (75, 4020267), (95, 3173895), (171, 1763275), (225, 1340089), (251, 1201275), (281, 1073025), (285, 1057965), (475, 634779), (753, 400425), (843, 357675), (855, 352655), (1255, 240255), (1405, 214605), (1425, 211593), (2259, 133475), (2529, 119225), (3765, 80085), (4215, 71535), (4275, 70531), (4769, 63225), (5339, 56475), (6275, 48051), (7025, 42921), (11295, 26695), (12645, 23845), (14307, 21075), (16017, 18825)]