28138860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{487}}^1$

素因数の和:612

約数の個数: 96

約数和(自身を含む): 88542720

約数和(自身を除く): 60403860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 107, 108, 135, 180, 214, 270, 321, 428, 487, 535, 540, 642, 963, 974, 1070, 1284, 1461, 1605, 1926, 1948, 2140, 2435, 2889, 2922, 3210, 3852, 4383, 4815, 4870, 5778, 5844, 6420, 7305, 8766, 9630, 9740, 11556, 13149, 14445, 14610, 17532, 19260, 21915, 26298, 28890, 29220, 43830, 52109, 52596, 57780, 65745, 87660, 104218, 131490, 156327, 208436, 260545, 262980, 312654, 468981, 521090, 625308, 781635, 937962, 1042180, 1406943, 1563270, 1875924, 2344905, 2813886, 3126540, 4689810, 5627772, 7034715, 9379620, 14069430, 28138860]

約数ペア:

[(1, 28138860), (2, 14069430), (3, 9379620), (4, 7034715), (5, 5627772), (6, 4689810), (9, 3126540), (10, 2813886), (12, 2344905), (15, 1875924), (18, 1563270), (20, 1406943), (27, 1042180), (30, 937962), (36, 781635), (45, 625308), (54, 521090), (60, 468981), (90, 312654), (107, 262980), (108, 260545), (135, 208436), (180, 156327), (214, 131490), (270, 104218), (321, 87660), (428, 65745), (487, 57780), (535, 52596), (540, 52109), (642, 43830), (963, 29220), (974, 28890), (1070, 26298), (1284, 21915), (1461, 19260), (1605, 17532), (1926, 14610), (1948, 14445), (2140, 13149), (2435, 11556), (2889, 9740), (2922, 9630), (3210, 8766), (3852, 7305), (4383, 6420), (4815, 5844), (4870, 5778)]