1618561360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{811}}^1$

素因数の和:957

約数の個数: 160

約数和(自身を含む): 4313473920

約数和(自身を除く): 2694912560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 101, 104, 130, 152, 190, 202, 208, 247, 260, 304, 380, 404, 494, 505, 520, 760, 808, 811, 988, 1010, 1040, 1235, 1313, 1520, 1616, 1622, 1919, 1976, 2020, 2470, 2626, 3244, 3838, 3952, 4040, 4055, 4940, 5252, 6488, 6565, 7676, 8080, 8110, 9595, 9880, 10504, 10543, 12976, 13130, 15352, 15409, 16220, 19190, 19760, 21008, 21086, 24947, 26260, 30704, 30818, 32440, 38380, 42172, 49894, 52520, 52715, 61636, 64880, 76760, 77045, 81911, 84344, 99788, 105040, 105430, 123272, 124735, 153520, 154090, 163822, 168688, 199576, 200317, 210860, 246544, 249470, 308180, 327644, 399152, 400634, 409555, 421720, 498940, 616360, 655288, 801268, 819110, 843440, 997880, 1001585, 1064843, 1232720, 1310576, 1556309, 1602536, 1638220, 1995760, 2003170, 2129686, 3112618, 3205072, 3276440, 4006340, 4259372, 5324215, 6225236, 6552880, 7781545, 8012680, 8518744, 10648430, 12450472, 15563090, 16025360, 17037488, 20232017, 21296860, 24900944, 31126180, 40464034, 42593720, 62252360, 80928068, 85187440, 101160085, 124504720, 161856136, 202320170, 323712272, 404640340, 809280680, 1618561360]

約数ペア:

[(1, 1618561360), (2, 809280680), (4, 404640340), (5, 323712272), (8, 202320170), (10, 161856136), (13, 124504720), (16, 101160085), (19, 85187440), (20, 80928068), (26, 62252360), (38, 42593720), (40, 40464034), (52, 31126180), (65, 24900944), (76, 21296860), (80, 20232017), (95, 17037488), (101, 16025360), (104, 15563090), (130, 12450472), (152, 10648430), (190, 8518744), (202, 8012680), (208, 7781545), (247, 6552880), (260, 6225236), (304, 5324215), (380, 4259372), (404, 4006340), (494, 3276440), (505, 3205072), (520, 3112618), (760, 2129686), (808, 2003170), (811, 1995760), (988, 1638220), (1010, 1602536), (1040, 1556309), (1235, 1310576), (1313, 1232720), (1520, 1064843), (1616, 1001585), (1622, 997880), (1919, 843440), (1976, 819110), (2020, 801268), (2470, 655288), (2626, 616360), (3244, 498940), (3838, 421720), (3952, 409555), (4040, 400634), (4055, 399152), (4940, 327644), (5252, 308180), (6488, 249470), (6565, 246544), (7676, 210860), (8080, 200317), (8110, 199576), (9595, 168688), (9880, 163822), (10504, 154090), (10543, 153520), (12976, 124735), (13130, 123272), (15352, 105430), (15409, 105040), (16220, 99788), (19190, 84344), (19760, 81911), (21008, 77045), (21086, 76760), (24947, 64880), (26260, 61636), (30704, 52715), (30818, 52520), (32440, 49894), (38380, 42172)]