47719980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{313}}^1$

素因数の和:357

約数の個数: 216

約数和(自身を含む): 182416416

約数和(自身を除く): 134696436

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 121, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 242, 252, 308, 313, 315, 330, 363, 385, 396, 420, 462, 484, 495, 605, 626, 630, 660, 693, 726, 770, 847, 924, 939, 990, 1089, 1155, 1210, 1252, 1260, 1386, 1452, 1540, 1565, 1694, 1815, 1878, 1980, 2178, 2191, 2310, 2420, 2541, 2772, 2817, 3130, 3388, 3443, 3465, 3630, 3756, 4235, 4356, 4382, 4620, 4695, 5082, 5445, 5634, 6260, 6573, 6886, 6930, 7260, 7623, 8470, 8764, 9390, 10164, 10329, 10890, 10955, 11268, 12705, 13146, 13772, 13860, 14085, 15246, 16940, 17215, 18780, 19719, 20658, 21780, 21910, 24101, 25410, 26292, 28170, 30492, 30987, 32865, 34430, 37873, 38115, 39438, 41316, 43820, 48202, 50820, 51645, 56340, 61974, 65730, 68860, 72303, 75746, 76230, 78876, 96404, 98595, 103290, 113619, 120505, 123948, 131460, 144606, 151492, 152460, 154935, 189365, 197190, 206580, 216909, 227238, 241010, 265111, 289212, 309870, 340857, 361515, 378730, 394380, 433818, 454476, 482020, 530222, 568095, 619740, 681714, 723030, 757460, 795333, 867636, 1060444, 1084545, 1136190, 1325555, 1363428, 1446060, 1590666, 1704285, 2169090, 2272380, 2385999, 2651110, 3181332, 3408570, 3976665, 4338180, 4771998, 5302220, 6817140, 7953330, 9543996, 11929995, 15906660, 23859990, 47719980]

約数ペア:

[(1, 47719980), (2, 23859990), (3, 15906660), (4, 11929995), (5, 9543996), (6, 7953330), (7, 6817140), (9, 5302220), (10, 4771998), (11, 4338180), (12, 3976665), (14, 3408570), (15, 3181332), (18, 2651110), (20, 2385999), (21, 2272380), (22, 2169090), (28, 1704285), (30, 1590666), (33, 1446060), (35, 1363428), (36, 1325555), (42, 1136190), (44, 1084545), (45, 1060444), (55, 867636), (60, 795333), (63, 757460), (66, 723030), (70, 681714), (77, 619740), (84, 568095), (90, 530222), (99, 482020), (105, 454476), (110, 433818), (121, 394380), (126, 378730), (132, 361515), (140, 340857), (154, 309870), (165, 289212), (180, 265111), (198, 241010), (210, 227238), (220, 216909), (231, 206580), (242, 197190), (252, 189365), (308, 154935), (313, 152460), (315, 151492), (330, 144606), (363, 131460), (385, 123948), (396, 120505), (420, 113619), (462, 103290), (484, 98595), (495, 96404), (605, 78876), (626, 76230), (630, 75746), (660, 72303), (693, 68860), (726, 65730), (770, 61974), (847, 56340), (924, 51645), (939, 50820), (990, 48202), (1089, 43820), (1155, 41316), (1210, 39438), (1252, 38115), (1260, 37873), (1386, 34430), (1452, 32865), (1540, 30987), (1565, 30492), (1694, 28170), (1815, 26292), (1878, 25410), (1980, 24101), (2178, 21910), (2191, 21780), (2310, 20658), (2420, 19719), (2541, 18780), (2772, 17215), (2817, 16940), (3130, 15246), (3388, 14085), (3443, 13860), (3465, 13772), (3630, 13146), (3756, 12705), (4235, 11268), (4356, 10955), (4382, 10890), (4620, 10329), (4695, 10164), (5082, 9390), (5445, 8764), (5634, 8470), (6260, 7623), (6573, 7260), (6886, 6930)]