278153160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{121997}}^1$

素因数の和:122030

約数の個数: 64

約数和(自身を含む): 878385600

約数和(自身を除く): 600232440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 121997, 243994, 365991, 487988, 609985, 731982, 975976, 1219970, 1463964, 1829955, 2317943, 2439940, 2927928, 3659910, 4635886, 4879880, 6953829, 7319820, 9271772, 11589715, 13907658, 14639640, 18543544, 23179430, 27815316, 34769145, 46358860, 55630632, 69538290, 92717720, 139076580, 278153160]

約数ペア:

[(1, 278153160), (2, 139076580), (3, 92717720), (4, 69538290), (5, 55630632), (6, 46358860), (8, 34769145), (10, 27815316), (12, 23179430), (15, 18543544), (19, 14639640), (20, 13907658), (24, 11589715), (30, 9271772), (38, 7319820), (40, 6953829), (57, 4879880), (60, 4635886), (76, 3659910), (95, 2927928), (114, 2439940), (120, 2317943), (152, 1829955), (190, 1463964), (228, 1219970), (285, 975976), (380, 731982), (456, 609985), (570, 487988), (760, 365991), (1140, 243994), (2280, 121997)]