80479980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:226

約数の個数: 240

約数和(自身を含む): 296626176

約数和(自身を除く): 216146196

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 47, 54, 60, 63, 70, 81, 84, 90, 94, 105, 108, 126, 135, 140, 141, 151, 162, 180, 188, 189, 210, 235, 252, 270, 282, 302, 315, 324, 329, 378, 405, 420, 423, 453, 470, 540, 564, 567, 604, 630, 658, 705, 755, 756, 810, 846, 906, 940, 945, 987, 1057, 1134, 1260, 1269, 1316, 1359, 1410, 1510, 1620, 1645, 1692, 1812, 1890, 1974, 2114, 2115, 2265, 2268, 2538, 2718, 2820, 2835, 2961, 3020, 3171, 3290, 3780, 3807, 3948, 4077, 4228, 4230, 4530, 4935, 5076, 5285, 5436, 5670, 5922, 6342, 6345, 6580, 6795, 7097, 7614, 8154, 8460, 8883, 9060, 9513, 9870, 10570, 11340, 11844, 12231, 12684, 12690, 13590, 14194, 14805, 15228, 15855, 16308, 17766, 19026, 19035, 19740, 20385, 21140, 21291, 24462, 25380, 26649, 27180, 28388, 28539, 29610, 31710, 35485, 35532, 38052, 38070, 40770, 42582, 44415, 47565, 48924, 49679, 53298, 57078, 59220, 61155, 63420, 63873, 70970, 76140, 81540, 85164, 85617, 88830, 95130, 99358, 106455, 106596, 114156, 122310, 127746, 133245, 141940, 142695, 149037, 171234, 177660, 190260, 191619, 198716, 212910, 244620, 248395, 255492, 266490, 285390, 298074, 319365, 342468, 383238, 425820, 428085, 447111, 496790, 532980, 570780, 574857, 596148, 638730, 745185, 766476, 856170, 894222, 958095, 993580, 1149714, 1277460, 1341333, 1490370, 1712340, 1788444, 1916190, 2235555, 2299428, 2682666, 2874285, 2980740, 3832380, 4023999, 4471110, 5365332, 5748570, 6706665, 8047998, 8942220, 11497140, 13413330, 16095996, 20119995, 26826660, 40239990, 80479980]

約数ペア:

[(1, 80479980), (2, 40239990), (3, 26826660), (4, 20119995), (5, 16095996), (6, 13413330), (7, 11497140), (9, 8942220), (10, 8047998), (12, 6706665), (14, 5748570), (15, 5365332), (18, 4471110), (20, 4023999), (21, 3832380), (27, 2980740), (28, 2874285), (30, 2682666), (35, 2299428), (36, 2235555), (42, 1916190), (45, 1788444), (47, 1712340), (54, 1490370), (60, 1341333), (63, 1277460), (70, 1149714), (81, 993580), (84, 958095), (90, 894222), (94, 856170), (105, 766476), (108, 745185), (126, 638730), (135, 596148), (140, 574857), (141, 570780), (151, 532980), (162, 496790), (180, 447111), (188, 428085), (189, 425820), (210, 383238), (235, 342468), (252, 319365), (270, 298074), (282, 285390), (302, 266490), (315, 255492), (324, 248395), (329, 244620), (378, 212910), (405, 198716), (420, 191619), (423, 190260), (453, 177660), (470, 171234), (540, 149037), (564, 142695), (567, 141940), (604, 133245), (630, 127746), (658, 122310), (705, 114156), (755, 106596), (756, 106455), (810, 99358), (846, 95130), (906, 88830), (940, 85617), (945, 85164), (987, 81540), (1057, 76140), (1134, 70970), (1260, 63873), (1269, 63420), (1316, 61155), (1359, 59220), (1410, 57078), (1510, 53298), (1620, 49679), (1645, 48924), (1692, 47565), (1812, 44415), (1890, 42582), (1974, 40770), (2114, 38070), (2115, 38052), (2265, 35532), (2268, 35485), (2538, 31710), (2718, 29610), (2820, 28539), (2835, 28388), (2961, 27180), (3020, 26649), (3171, 25380), (3290, 24462), (3780, 21291), (3807, 21140), (3948, 20385), (4077, 19740), (4228, 19035), (4230, 19026), (4530, 17766), (4935, 16308), (5076, 15855), (5285, 15228), (5436, 14805), (5670, 14194), (5922, 13590), (6342, 12690), (6345, 12684), (6580, 12231), (6795, 11844), (7097, 11340), (7614, 10570), (8154, 9870), (8460, 9513), (8883, 9060)]