18920301520

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{599}}^1$

素因数の和:833

約数の個数: 160

約数和(自身を含む): 45897062400

約数和(自身を除く): 26976760880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 71, 80, 83, 134, 142, 166, 268, 284, 332, 335, 355, 415, 536, 568, 599, 664, 670, 710, 830, 1072, 1136, 1198, 1328, 1340, 1420, 1660, 2396, 2680, 2840, 2995, 3320, 4757, 4792, 5360, 5561, 5680, 5893, 5990, 6640, 9514, 9584, 11122, 11786, 11980, 19028, 22244, 23572, 23785, 23960, 27805, 29465, 38056, 40133, 42529, 44488, 47144, 47570, 47920, 49717, 55610, 58930, 76112, 80266, 85058, 88976, 94288, 95140, 99434, 111220, 117860, 160532, 170116, 190280, 198868, 200665, 212645, 222440, 235720, 248585, 321064, 340232, 380560, 394831, 397736, 401330, 425290, 444880, 471440, 497170, 642128, 680464, 789662, 795472, 802660, 850580, 994340, 1579324, 1605320, 1701160, 1974155, 1988680, 2849443, 3158648, 3210640, 3331039, 3402320, 3529907, 3948310, 3977360, 5698886, 6317296, 6662078, 7059814, 7896620, 11397772, 13324156, 14119628, 14247215, 15793240, 16655195, 17649535, 22795544, 26648312, 28239256, 28494430, 31586480, 33310390, 35299070, 45591088, 53296624, 56478512, 56988860, 66620780, 70598140, 113977720, 133241560, 141196280, 227955440, 236503769, 266483120, 282392560, 473007538, 946015076, 1182518845, 1892030152, 2365037690, 3784060304, 4730075380, 9460150760, 18920301520]

約数ペア:

[(1, 18920301520), (2, 9460150760), (4, 4730075380), (5, 3784060304), (8, 2365037690), (10, 1892030152), (16, 1182518845), (20, 946015076), (40, 473007538), (67, 282392560), (71, 266483120), (80, 236503769), (83, 227955440), (134, 141196280), (142, 133241560), (166, 113977720), (268, 70598140), (284, 66620780), (332, 56988860), (335, 56478512), (355, 53296624), (415, 45591088), (536, 35299070), (568, 33310390), (599, 31586480), (664, 28494430), (670, 28239256), (710, 26648312), (830, 22795544), (1072, 17649535), (1136, 16655195), (1198, 15793240), (1328, 14247215), (1340, 14119628), (1420, 13324156), (1660, 11397772), (2396, 7896620), (2680, 7059814), (2840, 6662078), (2995, 6317296), (3320, 5698886), (4757, 3977360), (4792, 3948310), (5360, 3529907), (5561, 3402320), (5680, 3331039), (5893, 3210640), (5990, 3158648), (6640, 2849443), (9514, 1988680), (9584, 1974155), (11122, 1701160), (11786, 1605320), (11980, 1579324), (19028, 994340), (22244, 850580), (23572, 802660), (23785, 795472), (23960, 789662), (27805, 680464), (29465, 642128), (38056, 497170), (40133, 471440), (42529, 444880), (44488, 425290), (47144, 401330), (47570, 397736), (47920, 394831), (49717, 380560), (55610, 340232), (58930, 321064), (76112, 248585), (80266, 235720), (85058, 222440), (88976, 212645), (94288, 200665), (95140, 198868), (99434, 190280), (111220, 170116), (117860, 160532)]