2045804520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{42943}}^1$

素因数の和:43354

約数の個数: 64

約数和(自身を含む): 6153016320

約数和(自身を除く): 4107211800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 397, 794, 1191, 1588, 1985, 2382, 3176, 3970, 4764, 5955, 7940, 9528, 11910, 15880, 23820, 42943, 47640, 85886, 128829, 171772, 214715, 257658, 343544, 429430, 515316, 644145, 858860, 1030632, 1288290, 1717720, 2576580, 5153160, 17048371, 34096742, 51145113, 68193484, 85241855, 102290226, 136386968, 170483710, 204580452, 255725565, 340967420, 409160904, 511451130, 681934840, 1022902260, 2045804520]

約数ペア:

[(1, 2045804520), (2, 1022902260), (3, 681934840), (4, 511451130), (5, 409160904), (6, 340967420), (8, 255725565), (10, 204580452), (12, 170483710), (15, 136386968), (20, 102290226), (24, 85241855), (30, 68193484), (40, 51145113), (60, 34096742), (120, 17048371), (397, 5153160), (794, 2576580), (1191, 1717720), (1588, 1288290), (1985, 1030632), (2382, 858860), (3176, 644145), (3970, 515316), (4764, 429430), (5955, 343544), (7940, 257658), (9528, 214715), (11910, 171772), (15880, 128829), (23820, 85886), (42943, 47640)]