247290120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{811}}^1$

素因数の和:857

約数の個数: 288

約数和(自身を含む): 1010842560

約数和(自身を除く): 763552440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 121, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 242, 252, 264, 280, 308, 315, 330, 360, 363, 385, 396, 420, 440, 462, 484, 495, 504, 605, 616, 630, 660, 693, 726, 770, 792, 811, 840, 847, 924, 968, 990, 1089, 1155, 1210, 1260, 1320, 1386, 1452, 1540, 1622, 1694, 1815, 1848, 1980, 2178, 2310, 2420, 2433, 2520, 2541, 2772, 2904, 3080, 3244, 3388, 3465, 3630, 3960, 4055, 4235, 4356, 4620, 4840, 4866, 5082, 5445, 5544, 5677, 6488, 6776, 6930, 7260, 7299, 7623, 8110, 8470, 8712, 8921, 9240, 9732, 10164, 10890, 11354, 12165, 12705, 13860, 14520, 14598, 15246, 16220, 16940, 17031, 17842, 19464, 20328, 21780, 22708, 24330, 25410, 26763, 27720, 28385, 29196, 30492, 32440, 33880, 34062, 35684, 36495, 38115, 43560, 44605, 45416, 48660, 50820, 51093, 53526, 56770, 58392, 60984, 62447, 68124, 71368, 72990, 76230, 80289, 85155, 89210, 97320, 98131, 101640, 102186, 107052, 113540, 124894, 133815, 136248, 145980, 152460, 160578, 170310, 178420, 187341, 196262, 204372, 214104, 227080, 249788, 255465, 267630, 291960, 294393, 304920, 312235, 321156, 340620, 356840, 374682, 392524, 401445, 408744, 490655, 499576, 510930, 535260, 562023, 588786, 624470, 642312, 681240, 686917, 749364, 785048, 802890, 883179, 936705, 981310, 1021860, 1070520, 1124046, 1177572, 1248940, 1373834, 1471965, 1498728, 1605780, 1766358, 1873410, 1962620, 2043720, 2060751, 2248092, 2355144, 2497880, 2747668, 2810115, 2943930, 3211560, 3434585, 3532716, 3746820, 3925240, 4121502, 4415895, 4496184, 5495336, 5620230, 5887860, 6182253, 6869170, 7065432, 7493640, 8243004, 8831790, 10303755, 11240460, 11775720, 12364506, 13738340, 16486008, 17663580, 20607510, 22480920, 24729012, 27476680, 30911265, 35327160, 41215020, 49458024, 61822530, 82430040, 123645060, 247290120]

約数ペア:

[(1, 247290120), (2, 123645060), (3, 82430040), (4, 61822530), (5, 49458024), (6, 41215020), (7, 35327160), (8, 30911265), (9, 27476680), (10, 24729012), (11, 22480920), (12, 20607510), (14, 17663580), (15, 16486008), (18, 13738340), (20, 12364506), (21, 11775720), (22, 11240460), (24, 10303755), (28, 8831790), (30, 8243004), (33, 7493640), (35, 7065432), (36, 6869170), (40, 6182253), (42, 5887860), (44, 5620230), (45, 5495336), (55, 4496184), (56, 4415895), (60, 4121502), (63, 3925240), (66, 3746820), (70, 3532716), (72, 3434585), (77, 3211560), (84, 2943930), (88, 2810115), (90, 2747668), (99, 2497880), (105, 2355144), (110, 2248092), (120, 2060751), (121, 2043720), (126, 1962620), (132, 1873410), (140, 1766358), (154, 1605780), (165, 1498728), (168, 1471965), (180, 1373834), (198, 1248940), (210, 1177572), (220, 1124046), (231, 1070520), (242, 1021860), (252, 981310), (264, 936705), (280, 883179), (308, 802890), (315, 785048), (330, 749364), (360, 686917), (363, 681240), (385, 642312), (396, 624470), (420, 588786), (440, 562023), (462, 535260), (484, 510930), (495, 499576), (504, 490655), (605, 408744), (616, 401445), (630, 392524), (660, 374682), (693, 356840), (726, 340620), (770, 321156), (792, 312235), (811, 304920), (840, 294393), (847, 291960), (924, 267630), (968, 255465), (990, 249788), (1089, 227080), (1155, 214104), (1210, 204372), (1260, 196262), (1320, 187341), (1386, 178420), (1452, 170310), (1540, 160578), (1622, 152460), (1694, 145980), (1815, 136248), (1848, 133815), (1980, 124894), (2178, 113540), (2310, 107052), (2420, 102186), (2433, 101640), (2520, 98131), (2541, 97320), (2772, 89210), (2904, 85155), (3080, 80289), (3244, 76230), (3388, 72990), (3465, 71368), (3630, 68124), (3960, 62447), (4055, 60984), (4235, 58392), (4356, 56770), (4620, 53526), (4840, 51093), (4866, 50820), (5082, 48660), (5445, 45416), (5544, 44605), (5677, 43560), (6488, 38115), (6776, 36495), (6930, 35684), (7260, 34062), (7299, 33880), (7623, 32440), (8110, 30492), (8470, 29196), (8712, 28385), (8921, 27720), (9240, 26763), (9732, 25410), (10164, 24330), (10890, 22708), (11354, 21780), (12165, 20328), (12705, 19464), (13860, 17842), (14520, 17031), (14598, 16940), (15246, 16220)]