81248940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7919}}^1$

素因数の和:7956

約数の個数: 96

約数和(自身を含む): 266112000

約数和(自身を除く): 184863060

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, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 7919, 10260, 15838, 23757, 31676, 39595, 47514, 71271, 79190, 95028, 118785, 142542, 150461, 158380, 213813, 237570, 285084, 300922, 356355, 427626, 451383, 475140, 601844, 712710, 752305, 855252, 902766, 1069065, 1354149, 1425420, 1504610, 1805532, 2138130, 2256915, 2708298, 3009220, 4062447, 4276260, 4513830, 5416596, 6770745, 8124894, 9027660, 13541490, 16249788, 20312235, 27082980, 40624470, 81248940]

約数ペア:

[(1, 81248940), (2, 40624470), (3, 27082980), (4, 20312235), (5, 16249788), (6, 13541490), (9, 9027660), (10, 8124894), (12, 6770745), (15, 5416596), (18, 4513830), (19, 4276260), (20, 4062447), (27, 3009220), (30, 2708298), (36, 2256915), (38, 2138130), (45, 1805532), (54, 1504610), (57, 1425420), (60, 1354149), (76, 1069065), (90, 902766), (95, 855252), (108, 752305), (114, 712710), (135, 601844), (171, 475140), (180, 451383), (190, 427626), (228, 356355), (270, 300922), (285, 285084), (342, 237570), (380, 213813), (513, 158380), (540, 150461), (570, 142542), (684, 118785), (855, 95028), (1026, 79190), (1140, 71271), (1710, 47514), (2052, 39595), (2565, 31676), (3420, 23757), (5130, 15838), (7919, 10260)]