123355841680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{7699}}^1$

素因数の和:7941

約数の個数: 160

約数和(自身を含む): 307980288000

約数和(自身を除く): 184624446320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 83, 95, 127, 152, 166, 190, 254, 304, 332, 380, 415, 508, 635, 664, 760, 830, 1016, 1270, 1328, 1520, 1577, 1660, 2032, 2413, 2540, 3154, 3320, 4826, 5080, 6308, 6640, 7699, 7885, 9652, 10160, 10541, 12065, 12616, 15398, 15770, 19304, 21082, 24130, 25232, 30796, 31540, 38495, 38608, 42164, 48260, 52705, 61592, 63080, 76990, 84328, 96520, 105410, 123184, 126160, 146281, 153980, 168656, 193040, 200279, 210820, 292562, 307960, 400558, 421640, 585124, 615920, 639017, 731405, 801116, 843280, 977773, 1001395, 1170248, 1278034, 1462810, 1602232, 1955546, 2002790, 2340496, 2556068, 2925620, 3195085, 3204464, 3911092, 4005580, 4888865, 5112136, 5851240, 6390170, 7822184, 8011160, 9777730, 10224272, 11702480, 12141323, 12780340, 15644368, 16022320, 18577687, 19555460, 24282646, 25560680, 37155374, 39110920, 48565292, 51121360, 60706615, 74310748, 78221840, 81155159, 92888435, 97130584, 121413230, 148621496, 162310318, 185776870, 194261168, 242826460, 297242992, 324620636, 371553740, 405775795, 485652920, 649241272, 743107480, 811551590, 971305840, 1298482544, 1486214960, 1541948021, 1623103180, 3083896042, 3246206360, 6167792084, 6492412720, 7709740105, 12335584168, 15419480210, 24671168336, 30838960420, 61677920840, 123355841680]

約数ペア:

[(1, 123355841680), (2, 61677920840), (4, 30838960420), (5, 24671168336), (8, 15419480210), (10, 12335584168), (16, 7709740105), (19, 6492412720), (20, 6167792084), (38, 3246206360), (40, 3083896042), (76, 1623103180), (80, 1541948021), (83, 1486214960), (95, 1298482544), (127, 971305840), (152, 811551590), (166, 743107480), (190, 649241272), (254, 485652920), (304, 405775795), (332, 371553740), (380, 324620636), (415, 297242992), (508, 242826460), (635, 194261168), (664, 185776870), (760, 162310318), (830, 148621496), (1016, 121413230), (1270, 97130584), (1328, 92888435), (1520, 81155159), (1577, 78221840), (1660, 74310748), (2032, 60706615), (2413, 51121360), (2540, 48565292), (3154, 39110920), (3320, 37155374), (4826, 25560680), (5080, 24282646), (6308, 19555460), (6640, 18577687), (7699, 16022320), (7885, 15644368), (9652, 12780340), (10160, 12141323), (10541, 11702480), (12065, 10224272), (12616, 9777730), (15398, 8011160), (15770, 7822184), (19304, 6390170), (21082, 5851240), (24130, 5112136), (25232, 4888865), (30796, 4005580), (31540, 3911092), (38495, 3204464), (38608, 3195085), (42164, 2925620), (48260, 2556068), (52705, 2340496), (61592, 2002790), (63080, 1955546), (76990, 1602232), (84328, 1462810), (96520, 1278034), (105410, 1170248), (123184, 1001395), (126160, 977773), (146281, 843280), (153980, 801116), (168656, 731405), (193040, 639017), (200279, 615920), (210820, 585124), (292562, 421640), (307960, 400558)]