78794560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 168

約数和(自身を含む): 214189056

約数和(自身を除く): 135394496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 47, 52, 62, 64, 65, 80, 94, 104, 124, 130, 155, 160, 169, 188, 208, 235, 248, 260, 310, 320, 338, 376, 403, 416, 470, 496, 520, 611, 620, 676, 752, 806, 832, 845, 940, 992, 1040, 1222, 1240, 1352, 1457, 1504, 1612, 1690, 1880, 1984, 2015, 2080, 2444, 2480, 2704, 2914, 3008, 3055, 3224, 3380, 3760, 4030, 4160, 4888, 4960, 5239, 5408, 5828, 6110, 6448, 6760, 7285, 7520, 7943, 8060, 9776, 9920, 10478, 10816, 11656, 12220, 12896, 13520, 14570, 15040, 15886, 16120, 18941, 19552, 20956, 23312, 24440, 25792, 26195, 27040, 29140, 31772, 32240, 37882, 39104, 39715, 41912, 46624, 48880, 52390, 54080, 58280, 63544, 64480, 75764, 79430, 83824, 93248, 94705, 97760, 104780, 116560, 127088, 128960, 151528, 158860, 167648, 189410, 195520, 209560, 233120, 246233, 254176, 303056, 317720, 335296, 378820, 419120, 466240, 492466, 508352, 606112, 635440, 757640, 838240, 984932, 1212224, 1231165, 1270880, 1515280, 1676480, 1969864, 2462330, 2541760, 3030560, 3939728, 4924660, 6061120, 7879456, 9849320, 15758912, 19698640, 39397280, 78794560]

約数ペア:

[(1, 78794560), (2, 39397280), (4, 19698640), (5, 15758912), (8, 9849320), (10, 7879456), (13, 6061120), (16, 4924660), (20, 3939728), (26, 3030560), (31, 2541760), (32, 2462330), (40, 1969864), (47, 1676480), (52, 1515280), (62, 1270880), (64, 1231165), (65, 1212224), (80, 984932), (94, 838240), (104, 757640), (124, 635440), (130, 606112), (155, 508352), (160, 492466), (169, 466240), (188, 419120), (208, 378820), (235, 335296), (248, 317720), (260, 303056), (310, 254176), (320, 246233), (338, 233120), (376, 209560), (403, 195520), (416, 189410), (470, 167648), (496, 158860), (520, 151528), (611, 128960), (620, 127088), (676, 116560), (752, 104780), (806, 97760), (832, 94705), (845, 93248), (940, 83824), (992, 79430), (1040, 75764), (1222, 64480), (1240, 63544), (1352, 58280), (1457, 54080), (1504, 52390), (1612, 48880), (1690, 46624), (1880, 41912), (1984, 39715), (2015, 39104), (2080, 37882), (2444, 32240), (2480, 31772), (2704, 29140), (2914, 27040), (3008, 26195), (3055, 25792), (3224, 24440), (3380, 23312), (3760, 20956), (4030, 19552), (4160, 18941), (4888, 16120), (4960, 15886), (5239, 15040), (5408, 14570), (5828, 13520), (6110, 12896), (6448, 12220), (6760, 11656), (7285, 10816), (7520, 10478), (7943, 9920), (8060, 9776)]