16225020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 57308160

約数和(自身を除く): 41083140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 163, 180, 210, 237, 252, 315, 316, 326, 395, 420, 474, 489, 553, 630, 652, 711, 790, 815, 948, 978, 1106, 1141, 1185, 1260, 1422, 1467, 1580, 1630, 1659, 1956, 2212, 2282, 2370, 2445, 2765, 2844, 2934, 3260, 3318, 3423, 3555, 4564, 4740, 4890, 4977, 5530, 5705, 5868, 6636, 6846, 7110, 7335, 8295, 9780, 9954, 10269, 11060, 11410, 12877, 13692, 14220, 14670, 16590, 17115, 19908, 20538, 22820, 24885, 25754, 29340, 33180, 34230, 38631, 41076, 49770, 51345, 51508, 64385, 68460, 77262, 90139, 99540, 102690, 115893, 128770, 154524, 180278, 193155, 205380, 231786, 257540, 270417, 360556, 386310, 450695, 463572, 540834, 579465, 772620, 811251, 901390, 1081668, 1158930, 1352085, 1622502, 1802780, 2317860, 2704170, 3245004, 4056255, 5408340, 8112510, 16225020]

約数ペア:

[(1, 16225020), (2, 8112510), (3, 5408340), (4, 4056255), (5, 3245004), (6, 2704170), (7, 2317860), (9, 1802780), (10, 1622502), (12, 1352085), (14, 1158930), (15, 1081668), (18, 901390), (20, 811251), (21, 772620), (28, 579465), (30, 540834), (35, 463572), (36, 450695), (42, 386310), (45, 360556), (60, 270417), (63, 257540), (70, 231786), (79, 205380), (84, 193155), (90, 180278), (105, 154524), (126, 128770), (140, 115893), (158, 102690), (163, 99540), (180, 90139), (210, 77262), (237, 68460), (252, 64385), (315, 51508), (316, 51345), (326, 49770), (395, 41076), (420, 38631), (474, 34230), (489, 33180), (553, 29340), (630, 25754), (652, 24885), (711, 22820), (790, 20538), (815, 19908), (948, 17115), (978, 16590), (1106, 14670), (1141, 14220), (1185, 13692), (1260, 12877), (1422, 11410), (1467, 11060), (1580, 10269), (1630, 9954), (1659, 9780), (1956, 8295), (2212, 7335), (2282, 7110), (2370, 6846), (2445, 6636), (2765, 5868), (2844, 5705), (2934, 5530), (3260, 4977), (3318, 4890), (3423, 4740), (3555, 4564)]