67671540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:502

約数の個数: 144

約数和(自身を含む): 221195520

約数和(自身を除く): 153523980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 47, 57, 60, 76, 90, 94, 95, 114, 141, 171, 180, 188, 190, 228, 235, 282, 285, 342, 380, 421, 423, 470, 564, 570, 684, 705, 842, 846, 855, 893, 940, 1140, 1263, 1410, 1684, 1692, 1710, 1786, 2105, 2115, 2526, 2679, 2820, 3420, 3572, 3789, 4210, 4230, 4465, 5052, 5358, 6315, 7578, 7999, 8037, 8420, 8460, 8930, 10716, 12630, 13395, 15156, 15998, 16074, 17860, 18945, 19787, 23997, 25260, 26790, 31996, 32148, 37890, 39574, 39995, 40185, 47994, 53580, 59361, 71991, 75780, 79148, 79990, 80370, 95988, 98935, 118722, 119985, 143982, 159980, 160740, 178083, 197870, 237444, 239970, 287964, 296805, 356166, 359955, 375953, 395740, 479940, 593610, 712332, 719910, 751906, 890415, 1127859, 1187220, 1439820, 1503812, 1780830, 1879765, 2255718, 3383577, 3561660, 3759530, 4511436, 5639295, 6767154, 7519060, 11278590, 13534308, 16917885, 22557180, 33835770, 67671540]

約数ペア:

[(1, 67671540), (2, 33835770), (3, 22557180), (4, 16917885), (5, 13534308), (6, 11278590), (9, 7519060), (10, 6767154), (12, 5639295), (15, 4511436), (18, 3759530), (19, 3561660), (20, 3383577), (30, 2255718), (36, 1879765), (38, 1780830), (45, 1503812), (47, 1439820), (57, 1187220), (60, 1127859), (76, 890415), (90, 751906), (94, 719910), (95, 712332), (114, 593610), (141, 479940), (171, 395740), (180, 375953), (188, 359955), (190, 356166), (228, 296805), (235, 287964), (282, 239970), (285, 237444), (342, 197870), (380, 178083), (421, 160740), (423, 159980), (470, 143982), (564, 119985), (570, 118722), (684, 98935), (705, 95988), (842, 80370), (846, 79990), (855, 79148), (893, 75780), (940, 71991), (1140, 59361), (1263, 53580), (1410, 47994), (1684, 40185), (1692, 39995), (1710, 39574), (1786, 37890), (2105, 32148), (2115, 31996), (2526, 26790), (2679, 25260), (2820, 23997), (3420, 19787), (3572, 18945), (3789, 17860), (4210, 16074), (4230, 15998), (4465, 15156), (5052, 13395), (5358, 12630), (6315, 10716), (7578, 8930), (7999, 8460), (8037, 8420)]