90399720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1343

約数の個数: 128

約数和(自身を含む): 294912000

約数和(自身を除く): 204512280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 57, 60, 62, 76, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 248, 285, 310, 372, 380, 456, 465, 570, 589, 620, 744, 760, 930, 1140, 1178, 1240, 1279, 1767, 1860, 2280, 2356, 2558, 2945, 3534, 3720, 3837, 4712, 5116, 5890, 6395, 7068, 7674, 8835, 10232, 11780, 12790, 14136, 15348, 17670, 19185, 23560, 24301, 25580, 30696, 35340, 38370, 39649, 48602, 51160, 70680, 72903, 76740, 79298, 97204, 118947, 121505, 145806, 153480, 158596, 194408, 198245, 237894, 243010, 291612, 317192, 364515, 396490, 475788, 486020, 583224, 594735, 729030, 753331, 792980, 951576, 972040, 1189470, 1458060, 1506662, 1585960, 2259993, 2378940, 2916120, 3013324, 3766655, 4519986, 4757880, 6026648, 7533310, 9039972, 11299965, 15066620, 18079944, 22599930, 30133240, 45199860, 90399720]

約数ペア:

[(1, 90399720), (2, 45199860), (3, 30133240), (4, 22599930), (5, 18079944), (6, 15066620), (8, 11299965), (10, 9039972), (12, 7533310), (15, 6026648), (19, 4757880), (20, 4519986), (24, 3766655), (30, 3013324), (31, 2916120), (38, 2378940), (40, 2259993), (57, 1585960), (60, 1506662), (62, 1458060), (76, 1189470), (93, 972040), (95, 951576), (114, 792980), (120, 753331), (124, 729030), (152, 594735), (155, 583224), (186, 486020), (190, 475788), (228, 396490), (248, 364515), (285, 317192), (310, 291612), (372, 243010), (380, 237894), (456, 198245), (465, 194408), (570, 158596), (589, 153480), (620, 145806), (744, 121505), (760, 118947), (930, 97204), (1140, 79298), (1178, 76740), (1240, 72903), (1279, 70680), (1767, 51160), (1860, 48602), (2280, 39649), (2356, 38370), (2558, 35340), (2945, 30696), (3534, 25580), (3720, 24301), (3837, 23560), (4712, 19185), (5116, 17670), (5890, 15348), (6395, 14136), (7068, 12790), (7674, 11780), (8835, 10232)]