781725620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:210

約数の個数: 192

約数和(自身を含む): 1975228416

約数和(自身を除く): 1193502796

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 47, 52, 53, 65, 68, 71, 85, 94, 106, 130, 142, 170, 188, 212, 221, 235, 260, 265, 284, 340, 355, 442, 470, 530, 611, 689, 710, 799, 884, 901, 923, 940, 1060, 1105, 1207, 1222, 1378, 1420, 1598, 1802, 1846, 2210, 2414, 2444, 2491, 2756, 3055, 3196, 3337, 3445, 3604, 3692, 3763, 3995, 4420, 4505, 4615, 4828, 4982, 6035, 6110, 6674, 6890, 7526, 7990, 9010, 9230, 9964, 10387, 11713, 12070, 12220, 12455, 13348, 13780, 15052, 15691, 15980, 16685, 18020, 18460, 18815, 20774, 23426, 24140, 24910, 31382, 32383, 33370, 37630, 41548, 42347, 43381, 46852, 48919, 49820, 51935, 56729, 58565, 62764, 63971, 64766, 66740, 75260, 78455, 84694, 86762, 97838, 103870, 113458, 117130, 127942, 129532, 156910, 161915, 169388, 173524, 176861, 195676, 207740, 211735, 216905, 226916, 234260, 244595, 255884, 283645, 313820, 319855, 323830, 353722, 423470, 433810, 489190, 550511, 567290, 639710, 647660, 707444, 737477, 831623, 846940, 867620, 884305, 978380, 1101022, 1134580, 1279420, 1474954, 1663246, 1768610, 2202044, 2299193, 2752555, 2949908, 3006637, 3326492, 3537220, 3687385, 4158115, 4598386, 5505110, 6013274, 7374770, 8316230, 9196772, 11010220, 11495965, 12026548, 14749540, 15033185, 16632460, 22991930, 30066370, 39086281, 45983860, 60132740, 78172562, 156345124, 195431405, 390862810, 781725620]

約数ペア:

[(1, 781725620), (2, 390862810), (4, 195431405), (5, 156345124), (10, 78172562), (13, 60132740), (17, 45983860), (20, 39086281), (26, 30066370), (34, 22991930), (47, 16632460), (52, 15033185), (53, 14749540), (65, 12026548), (68, 11495965), (71, 11010220), (85, 9196772), (94, 8316230), (106, 7374770), (130, 6013274), (142, 5505110), (170, 4598386), (188, 4158115), (212, 3687385), (221, 3537220), (235, 3326492), (260, 3006637), (265, 2949908), (284, 2752555), (340, 2299193), (355, 2202044), (442, 1768610), (470, 1663246), (530, 1474954), (611, 1279420), (689, 1134580), (710, 1101022), (799, 978380), (884, 884305), (901, 867620), (923, 846940), (940, 831623), (1060, 737477), (1105, 707444), (1207, 647660), (1222, 639710), (1378, 567290), (1420, 550511), (1598, 489190), (1802, 433810), (1846, 423470), (2210, 353722), (2414, 323830), (2444, 319855), (2491, 313820), (2756, 283645), (3055, 255884), (3196, 244595), (3337, 234260), (3445, 226916), (3604, 216905), (3692, 211735), (3763, 207740), (3995, 195676), (4420, 176861), (4505, 173524), (4615, 169388), (4828, 161915), (4982, 156910), (6035, 129532), (6110, 127942), (6674, 117130), (6890, 113458), (7526, 103870), (7990, 97838), (9010, 86762), (9230, 84694), (9964, 78455), (10387, 75260), (11713, 66740), (12070, 64766), (12220, 63971), (12455, 62764), (13348, 58565), (13780, 56729), (15052, 51935), (15691, 49820), (15980, 48919), (16685, 46852), (18020, 43381), (18460, 42347), (18815, 41548), (20774, 37630), (23426, 33370), (24140, 32383), (24910, 31382)]