1252320640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 256

約数和(自身を含む): 3384115200

約数和(自身を除く): 2131794560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 47, 62, 64, 68, 79, 80, 85, 94, 124, 128, 136, 155, 158, 160, 170, 188, 235, 248, 272, 310, 316, 320, 340, 376, 395, 470, 496, 527, 544, 620, 632, 640, 680, 752, 790, 799, 940, 992, 1054, 1088, 1240, 1264, 1343, 1360, 1457, 1504, 1580, 1598, 1880, 1984, 2108, 2176, 2449, 2480, 2528, 2635, 2686, 2720, 2914, 3008, 3160, 3196, 3713, 3760, 3968, 3995, 4216, 4898, 4960, 5056, 5270, 5372, 5440, 5828, 6016, 6320, 6392, 6715, 7285, 7426, 7520, 7990, 8432, 9796, 9920, 10112, 10540, 10744, 10880, 11656, 12245, 12640, 12784, 13430, 14570, 14852, 15040, 15980, 16864, 18565, 19592, 19840, 21080, 21488, 23312, 24490, 24769, 25280, 25568, 26860, 29140, 29704, 30080, 31960, 33728, 37130, 39184, 41633, 42160, 42976, 46624, 48980, 49538, 50560, 51136, 53720, 58280, 59408, 63121, 63920, 67456, 74260, 78368, 83266, 84320, 85952, 93248, 97960, 99076, 102272, 107440, 115103, 116560, 118816, 123845, 126242, 127840, 148520, 156736, 166532, 168640, 171904, 186496, 195920, 198152, 208165, 214880, 230206, 233120, 237632, 247690, 252484, 255680, 297040, 313472, 315605, 333064, 337280, 391840, 396304, 416330, 429760, 460412, 466240, 475264, 495380, 504968, 511360, 575515, 594080, 631210, 666128, 783680, 792608, 832660, 859520, 920824, 932480, 990760, 1009936, 1151030, 1188160, 1262420, 1332256, 1567360, 1585216, 1665320, 1841648, 1956751, 1981520, 2019872, 2302060, 2376320, 2524840, 2664512, 3170432, 3330640, 3683296, 3913502, 3963040, 4039744, 4604120, 5049680, 5329024, 6661280, 7366592, 7827004, 7926080, 8079488, 9208240, 9783755, 10099360, 13322560, 14733184, 15654008, 15852160, 18416480, 19567510, 20198720, 26645120, 31308016, 36832960, 39135020, 40397440, 62616032, 73665920, 78270040, 125232064, 156540080, 250464128, 313080160, 626160320, 1252320640]

約数ペア:

[(1, 1252320640), (2, 626160320), (4, 313080160), (5, 250464128), (8, 156540080), (10, 125232064), (16, 78270040), (17, 73665920), (20, 62616032), (31, 40397440), (32, 39135020), (34, 36832960), (40, 31308016), (47, 26645120), (62, 20198720), (64, 19567510), (68, 18416480), (79, 15852160), (80, 15654008), (85, 14733184), (94, 13322560), (124, 10099360), (128, 9783755), (136, 9208240), (155, 8079488), (158, 7926080), (160, 7827004), (170, 7366592), (188, 6661280), (235, 5329024), (248, 5049680), (272, 4604120), (310, 4039744), (316, 3963040), (320, 3913502), (340, 3683296), (376, 3330640), (395, 3170432), (470, 2664512), (496, 2524840), (527, 2376320), (544, 2302060), (620, 2019872), (632, 1981520), (640, 1956751), (680, 1841648), (752, 1665320), (790, 1585216), (799, 1567360), (940, 1332256), (992, 1262420), (1054, 1188160), (1088, 1151030), (1240, 1009936), (1264, 990760), (1343, 932480), (1360, 920824), (1457, 859520), (1504, 832660), (1580, 792608), (1598, 783680), (1880, 666128), (1984, 631210), (2108, 594080), (2176, 575515), (2449, 511360), (2480, 504968), (2528, 495380), (2635, 475264), (2686, 466240), (2720, 460412), (2914, 429760), (3008, 416330), (3160, 396304), (3196, 391840), (3713, 337280), (3760, 333064), (3968, 315605), (3995, 313472), (4216, 297040), (4898, 255680), (4960, 252484), (5056, 247690), (5270, 237632), (5372, 233120), (5440, 230206), (5828, 214880), (6016, 208165), (6320, 198152), (6392, 195920), (6715, 186496), (7285, 171904), (7426, 168640), (7520, 166532), (7990, 156736), (8432, 148520), (9796, 127840), (9920, 126242), (10112, 123845), (10540, 118816), (10744, 116560), (10880, 115103), (11656, 107440), (12245, 102272), (12640, 99076), (12784, 97960), (13430, 93248), (14570, 85952), (14852, 84320), (15040, 83266), (15980, 78368), (16864, 74260), (18565, 67456), (19592, 63920), (19840, 63121), (21080, 59408), (21488, 58280), (23312, 53720), (24490, 51136), (24769, 50560), (25280, 49538), (25568, 48980), (26860, 46624), (29140, 42976), (29704, 42160), (30080, 41633), (31960, 39184), (33728, 37130)]