1305023120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{6661}}^1$

素因数の和:6784

約数の個数: 80

約数和(自身を含む): 3172177920

約数和(自身を除く): 1867154800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 158, 248, 310, 316, 395, 496, 620, 632, 790, 1240, 1264, 1580, 2449, 2480, 3160, 4898, 6320, 6661, 9796, 12245, 13322, 19592, 24490, 26644, 33305, 39184, 48980, 53288, 66610, 97960, 106576, 133220, 195920, 206491, 266440, 412982, 526219, 532880, 825964, 1032455, 1052438, 1651928, 2064910, 2104876, 2631095, 3303856, 4129820, 4209752, 5262190, 8259640, 8419504, 10524380, 16312789, 16519280, 21048760, 32625578, 42097520, 65251156, 81563945, 130502312, 163127890, 261004624, 326255780, 652511560, 1305023120]

約数ペア:

[(1, 1305023120), (2, 652511560), (4, 326255780), (5, 261004624), (8, 163127890), (10, 130502312), (16, 81563945), (20, 65251156), (31, 42097520), (40, 32625578), (62, 21048760), (79, 16519280), (80, 16312789), (124, 10524380), (155, 8419504), (158, 8259640), (248, 5262190), (310, 4209752), (316, 4129820), (395, 3303856), (496, 2631095), (620, 2104876), (632, 2064910), (790, 1651928), (1240, 1052438), (1264, 1032455), (1580, 825964), (2449, 532880), (2480, 526219), (3160, 412982), (4898, 266440), (6320, 206491), (6661, 195920), (9796, 133220), (12245, 106576), (13322, 97960), (19592, 66610), (24490, 53288), (26644, 48980), (33305, 39184)]