7440257920

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:277

約数の個数: 256

約数和(自身を含む): 19176652800

約数和(自身を除く): 11736394880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 47, 62, 64, 79, 80, 94, 101, 124, 128, 155, 158, 160, 188, 202, 235, 248, 310, 316, 320, 376, 395, 404, 470, 496, 505, 620, 632, 640, 752, 790, 808, 940, 992, 1010, 1240, 1264, 1457, 1504, 1580, 1616, 1880, 1984, 2020, 2449, 2480, 2528, 2914, 3008, 3131, 3160, 3232, 3713, 3760, 3968, 4040, 4747, 4898, 4960, 5056, 5828, 6016, 6262, 6320, 6464, 7285, 7426, 7520, 7979, 8080, 9494, 9796, 9920, 10112, 11656, 12245, 12524, 12640, 12928, 14570, 14852, 15040, 15655, 15958, 16160, 18565, 18988, 19592, 19840, 23312, 23735, 24490, 25048, 25280, 29140, 29704, 30080, 31310, 31916, 32320, 37130, 37976, 39184, 39895, 46624, 47470, 48980, 50096, 50560, 58280, 59408, 62620, 63832, 64640, 74260, 75952, 78368, 79790, 93248, 94940, 97960, 100192, 115103, 116560, 118816, 125240, 127664, 147157, 148520, 151904, 156736, 159580, 186496, 189880, 195920, 200384, 230206, 233120, 237632, 247349, 250480, 255328, 294314, 297040, 303808, 313472, 319160, 375013, 379760, 391840, 400768, 460412, 466240, 475264, 494698, 500960, 510656, 575515, 588628, 594080, 607616, 638320, 735785, 750026, 759520, 783680, 920824, 932480, 989396, 1001920, 1021312, 1151030, 1177256, 1188160, 1236745, 1276640, 1471570, 1500052, 1519040, 1567360, 1841648, 1875065, 1978792, 2003840, 2302060, 2354512, 2376320, 2473490, 2553280, 2943140, 3000104, 3038080, 3683296, 3750130, 3957584, 4604120, 4709024, 4946980, 5106560, 5886280, 6000208, 7366592, 7500260, 7915168, 9208240, 9418048, 9893960, 11625403, 11772560, 12000416, 14733184, 15000520, 15830336, 18416480, 18836096, 19787920, 23250806, 23545120, 24000832, 30001040, 31660672, 36832960, 39575840, 46501612, 47090240, 48001664, 58127015, 60002080, 73665920, 79151680, 93003224, 94180480, 116254030, 120004160, 158303360, 186006448, 232508060, 240008320, 372012896, 465016120, 744025792, 930032240, 1488051584, 1860064480, 3720128960, 7440257920]

約数ペア:

[(1, 7440257920), (2, 3720128960), (4, 1860064480), (5, 1488051584), (8, 930032240), (10, 744025792), (16, 465016120), (20, 372012896), (31, 240008320), (32, 232508060), (40, 186006448), (47, 158303360), (62, 120004160), (64, 116254030), (79, 94180480), (80, 93003224), (94, 79151680), (101, 73665920), (124, 60002080), (128, 58127015), (155, 48001664), (158, 47090240), (160, 46501612), (188, 39575840), (202, 36832960), (235, 31660672), (248, 30001040), (310, 24000832), (316, 23545120), (320, 23250806), (376, 19787920), (395, 18836096), (404, 18416480), (470, 15830336), (496, 15000520), (505, 14733184), (620, 12000416), (632, 11772560), (640, 11625403), (752, 9893960), (790, 9418048), (808, 9208240), (940, 7915168), (992, 7500260), (1010, 7366592), (1240, 6000208), (1264, 5886280), (1457, 5106560), (1504, 4946980), (1580, 4709024), (1616, 4604120), (1880, 3957584), (1984, 3750130), (2020, 3683296), (2449, 3038080), (2480, 3000104), (2528, 2943140), (2914, 2553280), (3008, 2473490), (3131, 2376320), (3160, 2354512), (3232, 2302060), (3713, 2003840), (3760, 1978792), (3968, 1875065), (4040, 1841648), (4747, 1567360), (4898, 1519040), (4960, 1500052), (5056, 1471570), (5828, 1276640), (6016, 1236745), (6262, 1188160), (6320, 1177256), (6464, 1151030), (7285, 1021312), (7426, 1001920), (7520, 989396), (7979, 932480), (8080, 920824), (9494, 783680), (9796, 759520), (9920, 750026), (10112, 735785), (11656, 638320), (12245, 607616), (12524, 594080), (12640, 588628), (12928, 575515), (14570, 510656), (14852, 500960), (15040, 494698), (15655, 475264), (15958, 466240), (16160, 460412), (18565, 400768), (18988, 391840), (19592, 379760), (19840, 375013), (23312, 319160), (23735, 313472), (24490, 303808), (25048, 297040), (25280, 294314), (29140, 255328), (29704, 250480), (30080, 247349), (31310, 237632), (31916, 233120), (32320, 230206), (37130, 200384), (37976, 195920), (39184, 189880), (39895, 186496), (46624, 159580), (47470, 156736), (48980, 151904), (50096, 148520), (50560, 147157), (58280, 127664), (59408, 125240), (62620, 118816), (63832, 116560), (64640, 115103), (74260, 100192), (75952, 97960), (78368, 94940), (79790, 93248)]