91531720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 250698240

約数和(自身を除く): 159166520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 61, 70, 92, 115, 122, 140, 161, 184, 230, 233, 244, 280, 305, 322, 427, 460, 466, 488, 610, 644, 805, 854, 920, 932, 1165, 1220, 1288, 1403, 1610, 1631, 1708, 1864, 2135, 2330, 2440, 2806, 3220, 3262, 3416, 4270, 4660, 5359, 5612, 6440, 6524, 7015, 8155, 8540, 9320, 9821, 10718, 11224, 13048, 14030, 14213, 16310, 17080, 19642, 21436, 26795, 28060, 28426, 32620, 37513, 39284, 42872, 49105, 53590, 56120, 56852, 65240, 71065, 75026, 78568, 98210, 99491, 107180, 113704, 142130, 150052, 187565, 196420, 198982, 214360, 284260, 300104, 326899, 375130, 392840, 397964, 497455, 568520, 653798, 750260, 795928, 994910, 1307596, 1500520, 1634495, 1989820, 2288293, 2615192, 3268990, 3979640, 4576586, 6537980, 9153172, 11441465, 13075960, 18306344, 22882930, 45765860, 91531720]

約数ペア:

[(1, 91531720), (2, 45765860), (4, 22882930), (5, 18306344), (7, 13075960), (8, 11441465), (10, 9153172), (14, 6537980), (20, 4576586), (23, 3979640), (28, 3268990), (35, 2615192), (40, 2288293), (46, 1989820), (56, 1634495), (61, 1500520), (70, 1307596), (92, 994910), (115, 795928), (122, 750260), (140, 653798), (161, 568520), (184, 497455), (230, 397964), (233, 392840), (244, 375130), (280, 326899), (305, 300104), (322, 284260), (427, 214360), (460, 198982), (466, 196420), (488, 187565), (610, 150052), (644, 142130), (805, 113704), (854, 107180), (920, 99491), (932, 98210), (1165, 78568), (1220, 75026), (1288, 71065), (1403, 65240), (1610, 56852), (1631, 56120), (1708, 53590), (1864, 49105), (2135, 42872), (2330, 39284), (2440, 37513), (2806, 32620), (3220, 28426), (3262, 28060), (3416, 26795), (4270, 21436), (4660, 19642), (5359, 17080), (5612, 16310), (6440, 14213), (6524, 14030), (7015, 13048), (8155, 11224), (8540, 10718), (9320, 9821)]