18628460640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{19571}}^1$

素因数の和:20253

約数の個数: 144

約数和(自身を含む): 63669046896

約数和(自身を除く): 45040586256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 661, 720, 1322, 1440, 1983, 2644, 3305, 3966, 5288, 5949, 6610, 7932, 9915, 10576, 11898, 13220, 15864, 19571, 19830, 21152, 23796, 26440, 29745, 31728, 39142, 39660, 47592, 52880, 58713, 59490, 63456, 78284, 79320, 95184, 97855, 105760, 117426, 118980, 156568, 158640, 176139, 190368, 195710, 234852, 237960, 293565, 313136, 317280, 352278, 391420, 469704, 475920, 587130, 626272, 704556, 782840, 880695, 939408, 951840, 1174260, 1409112, 1565680, 1761390, 1878816, 2348520, 2818224, 3131360, 3522780, 4697040, 5636448, 7045560, 9394080, 12936431, 14091120, 25872862, 28182240, 38809293, 51745724, 64682155, 77618586, 103491448, 116427879, 129364310, 155237172, 194046465, 206982896, 232855758, 258728620, 310474344, 388092930, 413965792, 465711516, 517457240, 582139395, 620948688, 776185860, 931423032, 1034914480, 1164278790, 1241897376, 1552371720, 1862846064, 2069828960, 2328557580, 3104743440, 3725692128, 4657115160, 6209486880, 9314230320, 18628460640]

約数ペア:

[(1, 18628460640), (2, 9314230320), (3, 6209486880), (4, 4657115160), (5, 3725692128), (6, 3104743440), (8, 2328557580), (9, 2069828960), (10, 1862846064), (12, 1552371720), (15, 1241897376), (16, 1164278790), (18, 1034914480), (20, 931423032), (24, 776185860), (30, 620948688), (32, 582139395), (36, 517457240), (40, 465711516), (45, 413965792), (48, 388092930), (60, 310474344), (72, 258728620), (80, 232855758), (90, 206982896), (96, 194046465), (120, 155237172), (144, 129364310), (160, 116427879), (180, 103491448), (240, 77618586), (288, 64682155), (360, 51745724), (480, 38809293), (661, 28182240), (720, 25872862), (1322, 14091120), (1440, 12936431), (1983, 9394080), (2644, 7045560), (3305, 5636448), (3966, 4697040), (5288, 3522780), (5949, 3131360), (6610, 2818224), (7932, 2348520), (9915, 1878816), (10576, 1761390), (11898, 1565680), (13220, 1409112), (15864, 1174260), (19571, 951840), (19830, 939408), (21152, 880695), (23796, 782840), (26440, 704556), (29745, 626272), (31728, 587130), (39142, 475920), (39660, 469704), (47592, 391420), (52880, 352278), (58713, 317280), (59490, 313136), (63456, 293565), (78284, 237960), (79320, 234852), (95184, 195710), (97855, 190368), (105760, 176139), (117426, 158640), (118980, 156568)]