80212300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 216375040

約数和(自身を除く): 136162740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 37, 38, 50, 70, 74, 76, 95, 100, 133, 140, 148, 163, 175, 185, 190, 259, 266, 326, 350, 370, 380, 475, 518, 532, 652, 665, 700, 703, 740, 815, 925, 950, 1036, 1141, 1295, 1330, 1406, 1630, 1850, 1900, 2282, 2590, 2660, 2812, 3097, 3260, 3325, 3515, 3700, 4075, 4564, 4921, 5180, 5705, 6031, 6194, 6475, 6650, 7030, 8150, 9842, 11410, 12062, 12388, 12950, 13300, 14060, 15485, 16300, 17575, 19684, 21679, 22820, 24124, 24605, 25900, 28525, 30155, 30970, 35150, 42217, 43358, 49210, 57050, 60310, 61940, 70300, 77425, 84434, 86716, 98420, 108395, 114100, 114589, 120620, 123025, 150775, 154850, 168868, 211085, 216790, 229178, 246050, 301550, 309700, 422170, 433580, 458356, 492100, 541975, 572945, 603100, 802123, 844340, 1055425, 1083950, 1145890, 1604246, 2110850, 2167900, 2291780, 2864725, 3208492, 4010615, 4221700, 5729450, 8021230, 11458900, 16042460, 20053075, 40106150, 80212300]

約数ペア:

[(1, 80212300), (2, 40106150), (4, 20053075), (5, 16042460), (7, 11458900), (10, 8021230), (14, 5729450), (19, 4221700), (20, 4010615), (25, 3208492), (28, 2864725), (35, 2291780), (37, 2167900), (38, 2110850), (50, 1604246), (70, 1145890), (74, 1083950), (76, 1055425), (95, 844340), (100, 802123), (133, 603100), (140, 572945), (148, 541975), (163, 492100), (175, 458356), (185, 433580), (190, 422170), (259, 309700), (266, 301550), (326, 246050), (350, 229178), (370, 216790), (380, 211085), (475, 168868), (518, 154850), (532, 150775), (652, 123025), (665, 120620), (700, 114589), (703, 114100), (740, 108395), (815, 98420), (925, 86716), (950, 84434), (1036, 77425), (1141, 70300), (1295, 61940), (1330, 60310), (1406, 57050), (1630, 49210), (1850, 43358), (1900, 42217), (2282, 35150), (2590, 30970), (2660, 30155), (2812, 28525), (3097, 25900), (3260, 24605), (3325, 24124), (3515, 22820), (3700, 21679), (4075, 19684), (4564, 17575), (4921, 16300), (5180, 15485), (5705, 14060), (6031, 13300), (6194, 12950), (6475, 12388), (6650, 12062), (7030, 11410), (8150, 9842)]