2045220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 5806080

約数和(自身を除く): 3760860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 383, 445, 534, 766, 890, 1068, 1149, 1335, 1532, 1780, 1915, 2298, 2670, 3830, 4596, 5340, 5745, 7660, 11490, 22980, 34087, 68174, 102261, 136348, 170435, 204522, 340870, 409044, 511305, 681740, 1022610, 2045220]

約数ペア:

[(1, 2045220), (2, 1022610), (3, 681740), (4, 511305), (5, 409044), (6, 340870), (10, 204522), (12, 170435), (15, 136348), (20, 102261), (30, 68174), (60, 34087), (89, 22980), (178, 11490), (267, 7660), (356, 5745), (383, 5340), (445, 4596), (534, 3830), (766, 2670), (890, 2298), (1068, 1915), (1149, 1780), (1335, 1532)]