405766920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:356

約数の個数: 256

約数和(自身を含む): 1405071360

約数和(自身を除く): 999304440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 43, 46, 52, 60, 65, 69, 78, 86, 92, 104, 115, 120, 129, 130, 138, 156, 172, 184, 195, 215, 230, 258, 260, 263, 276, 299, 312, 344, 345, 390, 430, 460, 516, 520, 526, 552, 559, 598, 645, 690, 780, 789, 860, 897, 920, 989, 1032, 1052, 1118, 1196, 1290, 1315, 1380, 1495, 1560, 1578, 1677, 1720, 1794, 1978, 2104, 2236, 2392, 2580, 2630, 2760, 2795, 2967, 2990, 3156, 3354, 3419, 3588, 3945, 3956, 4472, 4485, 4945, 5160, 5260, 5590, 5934, 5980, 6049, 6312, 6708, 6838, 7176, 7890, 7912, 8385, 8970, 9890, 10257, 10520, 11180, 11309, 11868, 11960, 12098, 12857, 13416, 13676, 14835, 15780, 16770, 17095, 17940, 18147, 19780, 20514, 22360, 22618, 23736, 24196, 25714, 27352, 29670, 30245, 31560, 33540, 33927, 34190, 35880, 36294, 38571, 39560, 41028, 45236, 48392, 51285, 51428, 56545, 59340, 60490, 64285, 67080, 67854, 68380, 72588, 77142, 78637, 82056, 90472, 90735, 102570, 102856, 113090, 118680, 120980, 128570, 135708, 136760, 145176, 147017, 154284, 157274, 169635, 181470, 192855, 205140, 226180, 235911, 241960, 257140, 260107, 271416, 294034, 308568, 314548, 339270, 362940, 385710, 393185, 410280, 441051, 452360, 471822, 514280, 520214, 588068, 629096, 678540, 725880, 735085, 771420, 780321, 786370, 882102, 943644, 1040428, 1176136, 1179555, 1300535, 1357080, 1470170, 1542840, 1560642, 1572740, 1764204, 1887288, 2080856, 2205255, 2359110, 2601070, 2940340, 3121284, 3145480, 3381391, 3528408, 3901605, 4410510, 4718220, 5202140, 5880680, 6242568, 6762782, 7803210, 8821020, 9436440, 10144173, 10404280, 13525564, 15606420, 16906955, 17642040, 20288346, 27051128, 31212840, 33813910, 40576692, 50720865, 67627820, 81153384, 101441730, 135255640, 202883460, 405766920]

約数ペア:

[(1, 405766920), (2, 202883460), (3, 135255640), (4, 101441730), (5, 81153384), (6, 67627820), (8, 50720865), (10, 40576692), (12, 33813910), (13, 31212840), (15, 27051128), (20, 20288346), (23, 17642040), (24, 16906955), (26, 15606420), (30, 13525564), (39, 10404280), (40, 10144173), (43, 9436440), (46, 8821020), (52, 7803210), (60, 6762782), (65, 6242568), (69, 5880680), (78, 5202140), (86, 4718220), (92, 4410510), (104, 3901605), (115, 3528408), (120, 3381391), (129, 3145480), (130, 3121284), (138, 2940340), (156, 2601070), (172, 2359110), (184, 2205255), (195, 2080856), (215, 1887288), (230, 1764204), (258, 1572740), (260, 1560642), (263, 1542840), (276, 1470170), (299, 1357080), (312, 1300535), (344, 1179555), (345, 1176136), (390, 1040428), (430, 943644), (460, 882102), (516, 786370), (520, 780321), (526, 771420), (552, 735085), (559, 725880), (598, 678540), (645, 629096), (690, 588068), (780, 520214), (789, 514280), (860, 471822), (897, 452360), (920, 441051), (989, 410280), (1032, 393185), (1052, 385710), (1118, 362940), (1196, 339270), (1290, 314548), (1315, 308568), (1380, 294034), (1495, 271416), (1560, 260107), (1578, 257140), (1677, 241960), (1720, 235911), (1794, 226180), (1978, 205140), (2104, 192855), (2236, 181470), (2392, 169635), (2580, 157274), (2630, 154284), (2760, 147017), (2795, 145176), (2967, 136760), (2990, 135708), (3156, 128570), (3354, 120980), (3419, 118680), (3588, 113090), (3945, 102856), (3956, 102570), (4472, 90735), (4485, 90472), (4945, 82056), (5160, 78637), (5260, 77142), (5590, 72588), (5934, 68380), (5980, 67854), (6049, 67080), (6312, 64285), (6708, 60490), (6838, 59340), (7176, 56545), (7890, 51428), (7912, 51285), (8385, 48392), (8970, 45236), (9890, 41028), (10257, 39560), (10520, 38571), (11180, 36294), (11309, 35880), (11868, 34190), (11960, 33927), (12098, 33540), (12857, 31560), (13416, 30245), (13676, 29670), (14835, 27352), (15780, 25714), (16770, 24196), (17095, 23736), (17940, 22618), (18147, 22360), (19780, 20514)]