28301560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1657}}^1$

素因数の和:1736

約数の個数: 64

約数和(自身を含む): 74013120

約数和(自身を除く): 45711560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1657, 1708, 2135, 2440, 3314, 3416, 4270, 6628, 8285, 8540, 11599, 13256, 16570, 17080, 23198, 33140, 46396, 57995, 66280, 92792, 101077, 115990, 202154, 231980, 404308, 463960, 505385, 707539, 808616, 1010770, 1415078, 2021540, 2830156, 3537695, 4043080, 5660312, 7075390, 14150780, 28301560]

約数ペア:

[(1, 28301560), (2, 14150780), (4, 7075390), (5, 5660312), (7, 4043080), (8, 3537695), (10, 2830156), (14, 2021540), (20, 1415078), (28, 1010770), (35, 808616), (40, 707539), (56, 505385), (61, 463960), (70, 404308), (122, 231980), (140, 202154), (244, 115990), (280, 101077), (305, 92792), (427, 66280), (488, 57995), (610, 46396), (854, 33140), (1220, 23198), (1657, 17080), (1708, 16570), (2135, 13256), (2440, 11599), (3314, 8540), (3416, 8285), (4270, 6628)]