71784090

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2041

約数の個数: 128

約数和(自身を含む): 230400000

約数和(自身を除く): 158615910

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 90, 95, 105, 114, 126, 133, 135, 171, 189, 190, 210, 266, 270, 285, 315, 342, 378, 399, 513, 570, 630, 665, 798, 855, 945, 1026, 1197, 1330, 1710, 1890, 1995, 1999, 2394, 2565, 3591, 3990, 3998, 5130, 5985, 5997, 7182, 9995, 11970, 11994, 13993, 17955, 17991, 19990, 27986, 29985, 35910, 35982, 37981, 41979, 53973, 59970, 69965, 75962, 83958, 89955, 107946, 113943, 125937, 139930, 179910, 189905, 209895, 227886, 251874, 265867, 269865, 341829, 377811, 379810, 419790, 531734, 539730, 569715, 629685, 683658, 755622, 797601, 1025487, 1139430, 1259370, 1329335, 1595202, 1709145, 1889055, 2050974, 2392803, 2658670, 3418290, 3778110, 3988005, 4785606, 5127435, 7178409, 7976010, 10254870, 11964015, 14356818, 23928030, 35892045, 71784090]

約数ペア:

[(1, 71784090), (2, 35892045), (3, 23928030), (5, 14356818), (6, 11964015), (7, 10254870), (9, 7976010), (10, 7178409), (14, 5127435), (15, 4785606), (18, 3988005), (19, 3778110), (21, 3418290), (27, 2658670), (30, 2392803), (35, 2050974), (38, 1889055), (42, 1709145), (45, 1595202), (54, 1329335), (57, 1259370), (63, 1139430), (70, 1025487), (90, 797601), (95, 755622), (105, 683658), (114, 629685), (126, 569715), (133, 539730), (135, 531734), (171, 419790), (189, 379810), (190, 377811), (210, 341829), (266, 269865), (270, 265867), (285, 251874), (315, 227886), (342, 209895), (378, 189905), (399, 179910), (513, 139930), (570, 125937), (630, 113943), (665, 107946), (798, 89955), (855, 83958), (945, 75962), (1026, 69965), (1197, 59970), (1330, 53973), (1710, 41979), (1890, 37981), (1995, 35982), (1999, 35910), (2394, 29985), (2565, 27986), (3591, 19990), (3990, 17991), (3998, 17955), (5130, 13993), (5985, 11994), (5997, 11970), (7182, 9995)]