138438560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:191

約数の個数: 192

約数和(自身を含む): 386104320

約数和(自身を除く): 247665760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 65, 76, 80, 95, 104, 113, 124, 130, 152, 155, 160, 190, 208, 226, 247, 248, 260, 304, 310, 380, 403, 416, 452, 494, 496, 520, 565, 589, 608, 620, 760, 806, 904, 988, 992, 1040, 1130, 1178, 1235, 1240, 1469, 1520, 1612, 1808, 1976, 2015, 2080, 2147, 2260, 2356, 2470, 2480, 2938, 2945, 3040, 3224, 3503, 3616, 3952, 4030, 4294, 4520, 4712, 4940, 4960, 5876, 5890, 6448, 7006, 7345, 7657, 7904, 8060, 8588, 9040, 9424, 9880, 10735, 11752, 11780, 12896, 14012, 14690, 15314, 16120, 17176, 17515, 18080, 18848, 19760, 21470, 23504, 23560, 27911, 28024, 29380, 30628, 32240, 34352, 35030, 38285, 39520, 42940, 45539, 47008, 47120, 55822, 56048, 58760, 61256, 64480, 66557, 68704, 70060, 76570, 85880, 91078, 94240, 111644, 112096, 117520, 122512, 133114, 139555, 140120, 153140, 171760, 182156, 223288, 227695, 235040, 245024, 266228, 279110, 280240, 306280, 332785, 343520, 364312, 446576, 455390, 532456, 558220, 560480, 612560, 665570, 728624, 865241, 893152, 910780, 1064912, 1116440, 1225120, 1331140, 1457248, 1730482, 1821560, 2129824, 2232880, 2662280, 3460964, 3643120, 4326205, 4465760, 5324560, 6921928, 7286240, 8652410, 10649120, 13843856, 17304820, 27687712, 34609640, 69219280, 138438560]

約数ペア:

[(1, 138438560), (2, 69219280), (4, 34609640), (5, 27687712), (8, 17304820), (10, 13843856), (13, 10649120), (16, 8652410), (19, 7286240), (20, 6921928), (26, 5324560), (31, 4465760), (32, 4326205), (38, 3643120), (40, 3460964), (52, 2662280), (62, 2232880), (65, 2129824), (76, 1821560), (80, 1730482), (95, 1457248), (104, 1331140), (113, 1225120), (124, 1116440), (130, 1064912), (152, 910780), (155, 893152), (160, 865241), (190, 728624), (208, 665570), (226, 612560), (247, 560480), (248, 558220), (260, 532456), (304, 455390), (310, 446576), (380, 364312), (403, 343520), (416, 332785), (452, 306280), (494, 280240), (496, 279110), (520, 266228), (565, 245024), (589, 235040), (608, 227695), (620, 223288), (760, 182156), (806, 171760), (904, 153140), (988, 140120), (992, 139555), (1040, 133114), (1130, 122512), (1178, 117520), (1235, 112096), (1240, 111644), (1469, 94240), (1520, 91078), (1612, 85880), (1808, 76570), (1976, 70060), (2015, 68704), (2080, 66557), (2147, 64480), (2260, 61256), (2356, 58760), (2470, 56048), (2480, 55822), (2938, 47120), (2945, 47008), (3040, 45539), (3224, 42940), (3503, 39520), (3616, 38285), (3952, 35030), (4030, 34352), (4294, 32240), (4520, 30628), (4712, 29380), (4940, 28024), (4960, 27911), (5876, 23560), (5890, 23504), (6448, 21470), (7006, 19760), (7345, 18848), (7657, 18080), (7904, 17515), (8060, 17176), (8588, 16120), (9040, 15314), (9424, 14690), (9880, 14012), (10735, 12896), (11752, 11780)]