15119820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4421}}^1$

素因数の和:4455

約数の個数: 72

約数和(自身を含む): 48288240

約数和(自身を除く): 33168420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 4421, 8842, 13263, 17684, 22105, 26526, 39789, 44210, 53052, 66315, 79578, 83999, 88420, 132630, 159156, 167998, 198945, 251997, 265260, 335996, 397890, 419995, 503994, 755991, 795780, 839990, 1007988, 1259985, 1511982, 1679980, 2519970, 3023964, 3779955, 5039940, 7559910, 15119820]

約数ペア:

[(1, 15119820), (2, 7559910), (3, 5039940), (4, 3779955), (5, 3023964), (6, 2519970), (9, 1679980), (10, 1511982), (12, 1259985), (15, 1007988), (18, 839990), (19, 795780), (20, 755991), (30, 503994), (36, 419995), (38, 397890), (45, 335996), (57, 265260), (60, 251997), (76, 198945), (90, 167998), (95, 159156), (114, 132630), (171, 88420), (180, 83999), (190, 79578), (228, 66315), (285, 53052), (342, 44210), (380, 39789), (570, 26526), (684, 22105), (855, 17684), (1140, 13263), (1710, 8842), (3420, 4421)]