78748560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:254

約数の個数: 240

約数和(自身を含む): 295034688

約数和(自身を除く): 216286128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 61, 66, 72, 80, 88, 90, 99, 110, 120, 122, 132, 144, 163, 165, 176, 180, 183, 198, 220, 240, 244, 264, 305, 326, 330, 360, 366, 396, 440, 488, 489, 495, 528, 549, 610, 652, 660, 671, 720, 732, 792, 815, 880, 915, 976, 978, 990, 1098, 1220, 1304, 1320, 1342, 1464, 1467, 1584, 1630, 1793, 1830, 1956, 1980, 2013, 2196, 2440, 2445, 2608, 2640, 2684, 2745, 2928, 2934, 3260, 3355, 3586, 3660, 3912, 3960, 4026, 4392, 4880, 4890, 5368, 5379, 5490, 5868, 6039, 6520, 6710, 7172, 7320, 7335, 7824, 7920, 8052, 8784, 8965, 9780, 9943, 10065, 10736, 10758, 10980, 11736, 12078, 13040, 13420, 14344, 14640, 14670, 16104, 16137, 17930, 19560, 19886, 20130, 21516, 21960, 23472, 24156, 26840, 26895, 28688, 29340, 29829, 30195, 32208, 32274, 35860, 39120, 39772, 40260, 43032, 43920, 48312, 49715, 53680, 53790, 58680, 59658, 60390, 64548, 71720, 79544, 80520, 80685, 86064, 89487, 96624, 99430, 107580, 109373, 117360, 119316, 120780, 129096, 143440, 149145, 159088, 161040, 161370, 178974, 198860, 215160, 218746, 238632, 241560, 258192, 298290, 322740, 328119, 357948, 397720, 430320, 437492, 447435, 477264, 483120, 546865, 596580, 645480, 656238, 715896, 795440, 874984, 894870, 984357, 1093730, 1193160, 1290960, 1312476, 1431792, 1640595, 1749968, 1789740, 1968714, 2187460, 2386320, 2624952, 3281190, 3579480, 3937428, 4374920, 4921785, 5249904, 6562380, 7158960, 7874856, 8749840, 9843570, 13124760, 15749712, 19687140, 26249520, 39374280, 78748560]

約数ペア:

[(1, 78748560), (2, 39374280), (3, 26249520), (4, 19687140), (5, 15749712), (6, 13124760), (8, 9843570), (9, 8749840), (10, 7874856), (11, 7158960), (12, 6562380), (15, 5249904), (16, 4921785), (18, 4374920), (20, 3937428), (22, 3579480), (24, 3281190), (30, 2624952), (33, 2386320), (36, 2187460), (40, 1968714), (44, 1789740), (45, 1749968), (48, 1640595), (55, 1431792), (60, 1312476), (61, 1290960), (66, 1193160), (72, 1093730), (80, 984357), (88, 894870), (90, 874984), (99, 795440), (110, 715896), (120, 656238), (122, 645480), (132, 596580), (144, 546865), (163, 483120), (165, 477264), (176, 447435), (180, 437492), (183, 430320), (198, 397720), (220, 357948), (240, 328119), (244, 322740), (264, 298290), (305, 258192), (326, 241560), (330, 238632), (360, 218746), (366, 215160), (396, 198860), (440, 178974), (488, 161370), (489, 161040), (495, 159088), (528, 149145), (549, 143440), (610, 129096), (652, 120780), (660, 119316), (671, 117360), (720, 109373), (732, 107580), (792, 99430), (815, 96624), (880, 89487), (915, 86064), (976, 80685), (978, 80520), (990, 79544), (1098, 71720), (1220, 64548), (1304, 60390), (1320, 59658), (1342, 58680), (1464, 53790), (1467, 53680), (1584, 49715), (1630, 48312), (1793, 43920), (1830, 43032), (1956, 40260), (1980, 39772), (2013, 39120), (2196, 35860), (2440, 32274), (2445, 32208), (2608, 30195), (2640, 29829), (2684, 29340), (2745, 28688), (2928, 26895), (2934, 26840), (3260, 24156), (3355, 23472), (3586, 21960), (3660, 21516), (3912, 20130), (3960, 19886), (4026, 19560), (4392, 17930), (4880, 16137), (4890, 16104), (5368, 14670), (5379, 14640), (5490, 14344), (5868, 13420), (6039, 13040), (6520, 12078), (6710, 11736), (7172, 10980), (7320, 10758), (7335, 10736), (7824, 10065), (7920, 9943), (8052, 9780), (8784, 8965)]