81537012.000000000

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{607}}^1$

素因数の和:663

約数の個数: 144

約数和(自身を含む): 389168640

約数和(自身を除く): 270840060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 361, 380, 513, 540, 570, 607, 684, 722, 855, 1026, 1083, 1140, 1214, 1444, 1710, 1805, 1821, 2052, 2166, 2428, 2565, 3035, 3249, 3420, 3610, 3642, 4332, 5130, 5415, 5463, 6070, 6498, 7220, 7284, 9105, 9747, 10260, 10830, 10926, 11533, 12140, 12996, 16245, 16389, 18210, 19494, 21660, 21852, 23066, 27315, 32490, 32778, 34599, 36420, 38988, 46132, 48735, 54630, 57665, 64980, 65556, 69198, 81945, 97470, 103797, 109260, 115330, 138396, 163890, 172995, 194940, 207594, 219127, 230660, 311391, 327780, 345990, 415188, 438254, 518985, 622782, 657381, 691980, 876508, 1037970, 1095635, 1245564, 1314762, 1556955, 1972143, 2075940, 2191270, 2629524, 3113910, 3286905, 3944286, 4382540, 5916429, 6227820, 6573810, 7888572, 9860715, 11832858, 13147620, 19721430, 23665716, 29582145, 39442860, 59164290, 118328580]

約数ペア:

[(1, 118328580), (2, 59164290), (3, 39442860), (4, 29582145), (5, 23665716), (6, 19721430), (9, 13147620), (10, 11832858), (12, 9860715), (15, 7888572), (18, 6573810), (19, 6227820), (20, 5916429), (27, 4382540), (30, 3944286), (36, 3286905), (38, 3113910), (45, 2629524), (54, 2191270), (57, 2075940), (60, 1972143), (76, 1556955), (90, 1314762), (95, 1245564), (108, 1095635), (114, 1037970), (135, 876508), (171, 691980), (180, 657381), (190, 622782), (228, 518985), (270, 438254), (285, 415188), (342, 345990), (361, 327780), (380, 311391), (513, 230660), (540, 219127), (570, 207594), (607, 194940), (684, 172995), (722, 163890), (855, 138396), (1026, 115330), (1083, 109260), (1140, 103797), (1214, 97470), (1444, 81945), (1710, 69198), (1805, 65556), (1821, 64980), (2052, 57665), (2166, 54630), (2428, 48735), (2565, 46132), (3035, 38988), (3249, 36420), (3420, 34599), (3610, 32778), (3642, 32490), (4332, 27315), (5130, 23066), (5415, 21852), (5463, 21660), (6070, 19494), (6498, 18210), (7220, 16389), (7284, 16245), (9105, 12996), (9747, 12140), (10260, 11533), (10830, 10926)]