72684120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:553

約数の個数: 128

約数和(自身を含む): 233280000

約数和(自身を除く): 160595880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 71, 76, 95, 114, 120, 142, 152, 190, 213, 228, 284, 285, 355, 380, 426, 449, 456, 568, 570, 710, 760, 852, 898, 1065, 1140, 1347, 1349, 1420, 1704, 1796, 2130, 2245, 2280, 2694, 2698, 2840, 3592, 4047, 4260, 4490, 5388, 5396, 6735, 6745, 8094, 8520, 8531, 8980, 10776, 10792, 13470, 13490, 16188, 17062, 17960, 20235, 25593, 26940, 26980, 31879, 32376, 34124, 40470, 42655, 51186, 53880, 53960, 63758, 68248, 80940, 85310, 95637, 102372, 127516, 127965, 159395, 161880, 170620, 191274, 204744, 255032, 255930, 318790, 341240, 382548, 478185, 511860, 605701, 637580, 765096, 956370, 1023720, 1211402, 1275160, 1817103, 1912740, 2422804, 3028505, 3634206, 3825480, 4845608, 6057010, 7268412, 9085515, 12114020, 14536824, 18171030, 24228040, 36342060, 72684120]

約数ペア:

[(1, 72684120), (2, 36342060), (3, 24228040), (4, 18171030), (5, 14536824), (6, 12114020), (8, 9085515), (10, 7268412), (12, 6057010), (15, 4845608), (19, 3825480), (20, 3634206), (24, 3028505), (30, 2422804), (38, 1912740), (40, 1817103), (57, 1275160), (60, 1211402), (71, 1023720), (76, 956370), (95, 765096), (114, 637580), (120, 605701), (142, 511860), (152, 478185), (190, 382548), (213, 341240), (228, 318790), (284, 255930), (285, 255032), (355, 204744), (380, 191274), (426, 170620), (449, 161880), (456, 159395), (568, 127965), (570, 127516), (710, 102372), (760, 95637), (852, 85310), (898, 80940), (1065, 68248), (1140, 63758), (1347, 53960), (1349, 53880), (1420, 51186), (1704, 42655), (1796, 40470), (2130, 34124), (2245, 32376), (2280, 31879), (2694, 26980), (2698, 26940), (2840, 25593), (3592, 20235), (4047, 17960), (4260, 17062), (4490, 16188), (5388, 13490), (5396, 13470), (6735, 10792), (6745, 10776), (8094, 8980), (8520, 8531)]