20128235960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{487}}^1$

素因数の和:998

約数の個数: 256

約数和(自身を含む): 57932236800

約数和(自身を除く): 37804000840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 238, 266, 280, 323, 340, 380, 457, 476, 487, 532, 595, 646, 665, 680, 760, 914, 952, 974, 1064, 1190, 1292, 1330, 1615, 1828, 1948, 2261, 2285, 2380, 2435, 2584, 2660, 3199, 3230, 3409, 3656, 3896, 4522, 4570, 4760, 4870, 5320, 6398, 6460, 6818, 7769, 8279, 8683, 9044, 9140, 9253, 9740, 11305, 12796, 12920, 13636, 15538, 15995, 16558, 17045, 17366, 18088, 18280, 18506, 19480, 22610, 25592, 27272, 31076, 31990, 33116, 34090, 34732, 37012, 38845, 41395, 43415, 45220, 46265, 54383, 57953, 60781, 62152, 63980, 64771, 66232, 68180, 69464, 74024, 77690, 82790, 86830, 90440, 92530, 108766, 115906, 121562, 127960, 129542, 136360, 147611, 155380, 157301, 165580, 173660, 185060, 217532, 222559, 231812, 243124, 259084, 271915, 289765, 295222, 303905, 310760, 314602, 323855, 331160, 347320, 370120, 435064, 445118, 463624, 486248, 518168, 543830, 579530, 590444, 607810, 629204, 647710, 738055, 786505, 890236, 1033277, 1087660, 1101107, 1112795, 1159060, 1180888, 1215620, 1258408, 1295420, 1476110, 1557913, 1573010, 1780472, 2066554, 2175320, 2202214, 2225590, 2318120, 2431240, 2590840, 2952220, 3115826, 3146020, 3783503, 4133108, 4228621, 4404428, 4451180, 5166385, 5505535, 5904440, 6231652, 6292040, 7567006, 7789565, 8266216, 8457242, 8808856, 8902360, 10332770, 11011070, 12463304, 15134012, 15579130, 16914484, 18917515, 20665540, 21143105, 22022140, 26484521, 29600347, 30268024, 31158260, 33828968, 37835030, 41331080, 42286210, 44044280, 52969042, 59200694, 62316520, 71886557, 75670060, 84572420, 105938084, 118401388, 132422605, 143773114, 148001735, 151340120, 169144840, 211876168, 236802776, 264845210, 287546228, 296003470, 359432785, 503205899, 529690420, 575092456, 592006940, 718865570, 1006411798, 1059380840, 1184013880, 1437731140, 2012823596, 2516029495, 2875462280, 4025647192, 5032058990, 10064117980, 20128235960]

約数ペア:

[(1, 20128235960), (2, 10064117980), (4, 5032058990), (5, 4025647192), (7, 2875462280), (8, 2516029495), (10, 2012823596), (14, 1437731140), (17, 1184013880), (19, 1059380840), (20, 1006411798), (28, 718865570), (34, 592006940), (35, 575092456), (38, 529690420), (40, 503205899), (56, 359432785), (68, 296003470), (70, 287546228), (76, 264845210), (85, 236802776), (95, 211876168), (119, 169144840), (133, 151340120), (136, 148001735), (140, 143773114), (152, 132422605), (170, 118401388), (190, 105938084), (238, 84572420), (266, 75670060), (280, 71886557), (323, 62316520), (340, 59200694), (380, 52969042), (457, 44044280), (476, 42286210), (487, 41331080), (532, 37835030), (595, 33828968), (646, 31158260), (665, 30268024), (680, 29600347), (760, 26484521), (914, 22022140), (952, 21143105), (974, 20665540), (1064, 18917515), (1190, 16914484), (1292, 15579130), (1330, 15134012), (1615, 12463304), (1828, 11011070), (1948, 10332770), (2261, 8902360), (2285, 8808856), (2380, 8457242), (2435, 8266216), (2584, 7789565), (2660, 7567006), (3199, 6292040), (3230, 6231652), (3409, 5904440), (3656, 5505535), (3896, 5166385), (4522, 4451180), (4570, 4404428), (4760, 4228621), (4870, 4133108), (5320, 3783503), (6398, 3146020), (6460, 3115826), (6818, 2952220), (7769, 2590840), (8279, 2431240), (8683, 2318120), (9044, 2225590), (9140, 2202214), (9253, 2175320), (9740, 2066554), (11305, 1780472), (12796, 1573010), (12920, 1557913), (13636, 1476110), (15538, 1295420), (15995, 1258408), (16558, 1215620), (17045, 1180888), (17366, 1159060), (18088, 1112795), (18280, 1101107), (18506, 1087660), (19480, 1033277), (22610, 890236), (25592, 786505), (27272, 738055), (31076, 647710), (31990, 629204), (33116, 607810), (34090, 590444), (34732, 579530), (37012, 543830), (38845, 518168), (41395, 486248), (43415, 463624), (45220, 445118), (46265, 435064), (54383, 370120), (57953, 347320), (60781, 331160), (62152, 323855), (63980, 314602), (64771, 310760), (66232, 303905), (68180, 295222), (69464, 289765), (74024, 271915), (77690, 259084), (82790, 243124), (86830, 231812), (90440, 222559), (92530, 217532), (108766, 185060), (115906, 173660), (121562, 165580), (127960, 157301), (129542, 155380), (136360, 147611)]