31697520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{457}}^1$

素因数の和:507

約数の個数: 120

約数和(自身を含む): 104610864

約数和(自身を除く): 72913344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 289, 340, 408, 457, 510, 578, 680, 816, 867, 914, 1020, 1156, 1360, 1371, 1445, 1734, 1828, 2040, 2285, 2312, 2742, 2890, 3468, 3656, 4080, 4335, 4570, 4624, 5484, 5780, 6855, 6936, 7312, 7769, 8670, 9140, 10968, 11560, 13710, 13872, 15538, 17340, 18280, 21936, 23120, 23307, 27420, 31076, 34680, 36560, 38845, 46614, 54840, 62152, 69360, 77690, 93228, 109680, 116535, 124304, 132073, 155380, 186456, 233070, 264146, 310760, 372912, 396219, 466140, 528292, 621520, 660365, 792438, 932280, 1056584, 1320730, 1584876, 1864560, 1981095, 2113168, 2641460, 3169752, 3962190, 5282920, 6339504, 7924380, 10565840, 15848760, 31697520]

約数ペア:

[(1, 31697520), (2, 15848760), (3, 10565840), (4, 7924380), (5, 6339504), (6, 5282920), (8, 3962190), (10, 3169752), (12, 2641460), (15, 2113168), (16, 1981095), (17, 1864560), (20, 1584876), (24, 1320730), (30, 1056584), (34, 932280), (40, 792438), (48, 660365), (51, 621520), (60, 528292), (68, 466140), (80, 396219), (85, 372912), (102, 310760), (120, 264146), (136, 233070), (170, 186456), (204, 155380), (240, 132073), (255, 124304), (272, 116535), (289, 109680), (340, 93228), (408, 77690), (457, 69360), (510, 62152), (578, 54840), (680, 46614), (816, 38845), (867, 36560), (914, 34680), (1020, 31076), (1156, 27420), (1360, 23307), (1371, 23120), (1445, 21936), (1734, 18280), (1828, 17340), (2040, 15538), (2285, 13872), (2312, 13710), (2742, 11560), (2890, 10968), (3468, 9140), (3656, 8670), (4080, 7769), (4335, 7312), (4570, 6936), (4624, 6855), (5484, 5780)]