15721898000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{1061}}^1$

素因数の和:1354

約数の個数: 160

約数和(自身を含む): 39443189760

約数和(自身を除く): 23721291760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 239, 248, 250, 310, 400, 478, 496, 500, 620, 775, 956, 1000, 1061, 1195, 1240, 1550, 1912, 2000, 2122, 2390, 2480, 3100, 3824, 3875, 4244, 4780, 5305, 5975, 6200, 7409, 7750, 8488, 9560, 10610, 11950, 12400, 14818, 15500, 16976, 19120, 21220, 23900, 26525, 29636, 29875, 31000, 32891, 37045, 42440, 47800, 53050, 59272, 59750, 62000, 65782, 74090, 84880, 95600, 106100, 118544, 119500, 131564, 132625, 148180, 164455, 185225, 212200, 239000, 253579, 263128, 265250, 296360, 328910, 370450, 424400, 478000, 507158, 526256, 530500, 592720, 657820, 740900, 822275, 926125, 1014316, 1061000, 1267895, 1315640, 1481800, 1644550, 1852250, 2028632, 2122000, 2535790, 2631280, 2963600, 3289100, 3704500, 4057264, 4111375, 5071580, 6339475, 6578200, 7409000, 7860949, 8222750, 10143160, 12678950, 13156400, 14818000, 15721898, 16445500, 20286320, 25357900, 31443796, 31697375, 32891000, 39304745, 50715800, 62887592, 63394750, 65782000, 78609490, 101431600, 125775184, 126789500, 157218980, 196523725, 253579000, 314437960, 393047450, 507158000, 628875920, 786094900, 982618625, 1572189800, 1965237250, 3144379600, 3930474500, 7860949000, 15721898000]

約数ペア:

[(1, 15721898000), (2, 7860949000), (4, 3930474500), (5, 3144379600), (8, 1965237250), (10, 1572189800), (16, 982618625), (20, 786094900), (25, 628875920), (31, 507158000), (40, 393047450), (50, 314437960), (62, 253579000), (80, 196523725), (100, 157218980), (124, 126789500), (125, 125775184), (155, 101431600), (200, 78609490), (239, 65782000), (248, 63394750), (250, 62887592), (310, 50715800), (400, 39304745), (478, 32891000), (496, 31697375), (500, 31443796), (620, 25357900), (775, 20286320), (956, 16445500), (1000, 15721898), (1061, 14818000), (1195, 13156400), (1240, 12678950), (1550, 10143160), (1912, 8222750), (2000, 7860949), (2122, 7409000), (2390, 6578200), (2480, 6339475), (3100, 5071580), (3824, 4111375), (3875, 4057264), (4244, 3704500), (4780, 3289100), (5305, 2963600), (5975, 2631280), (6200, 2535790), (7409, 2122000), (7750, 2028632), (8488, 1852250), (9560, 1644550), (10610, 1481800), (11950, 1315640), (12400, 1267895), (14818, 1061000), (15500, 1014316), (16976, 926125), (19120, 822275), (21220, 740900), (23900, 657820), (26525, 592720), (29636, 530500), (29875, 526256), (31000, 507158), (32891, 478000), (37045, 424400), (42440, 370450), (47800, 328910), (53050, 296360), (59272, 265250), (59750, 263128), (62000, 253579), (65782, 239000), (74090, 212200), (84880, 185225), (95600, 164455), (106100, 148180), (118544, 132625), (119500, 131564)]