81757152

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:325

約数の個数: 144

約数和(自身を含む): 249500160

約数和(自身を除く): 167743008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 67, 72, 76, 96, 114, 134, 144, 152, 171, 201, 223, 228, 268, 288, 304, 342, 402, 446, 456, 536, 603, 608, 669, 684, 804, 892, 912, 1072, 1206, 1273, 1338, 1368, 1608, 1784, 1824, 2007, 2144, 2412, 2546, 2676, 2736, 3216, 3568, 3819, 4014, 4237, 4824, 5092, 5352, 5472, 6432, 7136, 7638, 8028, 8474, 9648, 10184, 10704, 11457, 12711, 14941, 15276, 16056, 16948, 19296, 20368, 21408, 22914, 25422, 29882, 30552, 32112, 33896, 38133, 40736, 44823, 45828, 50844, 59764, 61104, 64224, 67792, 76266, 89646, 91656, 101688, 119528, 122208, 134469, 135584, 152532, 179292, 183312, 203376, 239056, 268938, 283879, 305064, 358584, 366624, 406752, 478112, 537876, 567758, 610128, 717168, 851637, 1075752, 1135516, 1220256, 1434336, 1703274, 2151504, 2271032, 2554911, 3406548, 4303008, 4542064, 5109822, 6813096, 9084128, 10219644, 13626192, 20439288, 27252384, 40878576, 81757152]

約数ペア:

[(1, 81757152), (2, 40878576), (3, 27252384), (4, 20439288), (6, 13626192), (8, 10219644), (9, 9084128), (12, 6813096), (16, 5109822), (18, 4542064), (19, 4303008), (24, 3406548), (32, 2554911), (36, 2271032), (38, 2151504), (48, 1703274), (57, 1434336), (67, 1220256), (72, 1135516), (76, 1075752), (96, 851637), (114, 717168), (134, 610128), (144, 567758), (152, 537876), (171, 478112), (201, 406752), (223, 366624), (228, 358584), (268, 305064), (288, 283879), (304, 268938), (342, 239056), (402, 203376), (446, 183312), (456, 179292), (536, 152532), (603, 135584), (608, 134469), (669, 122208), (684, 119528), (804, 101688), (892, 91656), (912, 89646), (1072, 76266), (1206, 67792), (1273, 64224), (1338, 61104), (1368, 59764), (1608, 50844), (1784, 45828), (1824, 44823), (2007, 40736), (2144, 38133), (2412, 33896), (2546, 32112), (2676, 30552), (2736, 29882), (3216, 25422), (3568, 22914), (3819, 21408), (4014, 20368), (4237, 19296), (4824, 16948), (5092, 16056), (5352, 15276), (5472, 14941), (6432, 12711), (7136, 11457), (7638, 10704), (8028, 10184), (8474, 9648)]