78170940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{401}}^1$

素因数の和:457

約数の個数: 144

約数和(自身を含む): 257312160

約数和(自身を除く): 179141220

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, 401, 513, 540, 570, 684, 722, 802, 855, 1026, 1083, 1140, 1203, 1444, 1604, 1710, 1805, 2005, 2052, 2166, 2406, 2565, 3249, 3420, 3609, 3610, 4010, 4332, 4812, 5130, 5415, 6015, 6498, 7218, 7220, 7619, 8020, 9747, 10260, 10827, 10830, 12030, 12996, 14436, 15238, 16245, 18045, 19494, 21654, 21660, 22857, 24060, 30476, 32490, 36090, 38095, 38988, 43308, 45714, 48735, 54135, 64980, 68571, 72180, 76190, 91428, 97470, 108270, 114285, 137142, 144761, 152380, 194940, 205713, 216540, 228570, 274284, 289522, 342855, 411426, 434283, 457140, 579044, 685710, 723805, 822852, 868566, 1028565, 1302849, 1371420, 1447610, 1737132, 2057130, 2171415, 2605698, 2895220, 3908547, 4114260, 4342830, 5211396, 6514245, 7817094, 8685660, 13028490, 15634188, 19542735, 26056980, 39085470, 78170940]

約数ペア:

[(1, 78170940), (2, 39085470), (3, 26056980), (4, 19542735), (5, 15634188), (6, 13028490), (9, 8685660), (10, 7817094), (12, 6514245), (15, 5211396), (18, 4342830), (19, 4114260), (20, 3908547), (27, 2895220), (30, 2605698), (36, 2171415), (38, 2057130), (45, 1737132), (54, 1447610), (57, 1371420), (60, 1302849), (76, 1028565), (90, 868566), (95, 822852), (108, 723805), (114, 685710), (135, 579044), (171, 457140), (180, 434283), (190, 411426), (228, 342855), (270, 289522), (285, 274284), (342, 228570), (361, 216540), (380, 205713), (401, 194940), (513, 152380), (540, 144761), (570, 137142), (684, 114285), (722, 108270), (802, 97470), (855, 91428), (1026, 76190), (1083, 72180), (1140, 68571), (1203, 64980), (1444, 54135), (1604, 48735), (1710, 45714), (1805, 43308), (2005, 38988), (2052, 38095), (2166, 36090), (2406, 32490), (2565, 30476), (3249, 24060), (3420, 22857), (3609, 21660), (3610, 21654), (4010, 19494), (4332, 18045), (4812, 16245), (5130, 15238), (5415, 14436), (6015, 12996), (6498, 12030), (7218, 10830), (7220, 10827), (7619, 10260), (8020, 9747)]