72111200

素因数分解:

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

素因数の和:269

約数の個数: 144

約数和(自身を含む): 204986880

約数和(自身を除く): 132875680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 79, 80, 100, 112, 140, 158, 160, 163, 175, 200, 224, 280, 316, 326, 350, 395, 400, 553, 560, 632, 652, 700, 790, 800, 815, 1106, 1120, 1141, 1264, 1304, 1400, 1580, 1630, 1975, 2212, 2282, 2528, 2608, 2765, 2800, 3160, 3260, 3950, 4075, 4424, 4564, 5216, 5530, 5600, 5705, 6320, 6520, 7900, 8150, 8848, 9128, 11060, 11410, 12640, 12877, 13040, 13825, 15800, 16300, 17696, 18256, 22120, 22820, 25754, 26080, 27650, 28525, 31600, 32600, 36512, 44240, 45640, 51508, 55300, 57050, 63200, 64385, 65200, 88480, 90139, 91280, 103016, 110600, 114100, 128770, 130400, 180278, 182560, 206032, 221200, 228200, 257540, 321925, 360556, 412064, 442400, 450695, 456400, 515080, 643850, 721112, 901390, 912800, 1030160, 1287700, 1442224, 1802780, 2060320, 2253475, 2575400, 2884448, 3605560, 4506950, 5150800, 7211120, 9013900, 10301600, 14422240, 18027800, 36055600, 72111200]

約数ペア:

[(1, 72111200), (2, 36055600), (4, 18027800), (5, 14422240), (7, 10301600), (8, 9013900), (10, 7211120), (14, 5150800), (16, 4506950), (20, 3605560), (25, 2884448), (28, 2575400), (32, 2253475), (35, 2060320), (40, 1802780), (50, 1442224), (56, 1287700), (70, 1030160), (79, 912800), (80, 901390), (100, 721112), (112, 643850), (140, 515080), (158, 456400), (160, 450695), (163, 442400), (175, 412064), (200, 360556), (224, 321925), (280, 257540), (316, 228200), (326, 221200), (350, 206032), (395, 182560), (400, 180278), (553, 130400), (560, 128770), (632, 114100), (652, 110600), (700, 103016), (790, 91280), (800, 90139), (815, 88480), (1106, 65200), (1120, 64385), (1141, 63200), (1264, 57050), (1304, 55300), (1400, 51508), (1580, 45640), (1630, 44240), (1975, 36512), (2212, 32600), (2282, 31600), (2528, 28525), (2608, 27650), (2765, 26080), (2800, 25754), (3160, 22820), (3260, 22120), (3950, 18256), (4075, 17696), (4424, 16300), (4564, 15800), (5216, 13825), (5530, 13040), (5600, 12877), (5705, 12640), (6320, 11410), (6520, 11060), (7900, 9128), (8150, 8848)]