1995570

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 5616000

約数和(自身を除く): 3620430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 389, 513, 570, 778, 855, 1026, 1167, 1710, 1945, 2334, 2565, 3501, 3890, 5130, 5835, 7002, 7391, 10503, 11670, 14782, 17505, 21006, 22173, 35010, 36955, 44346, 52515, 66519, 73910, 105030, 110865, 133038, 199557, 221730, 332595, 399114, 665190, 997785, 1995570]

約数ペア:

[(1, 1995570), (2, 997785), (3, 665190), (5, 399114), (6, 332595), (9, 221730), (10, 199557), (15, 133038), (18, 110865), (19, 105030), (27, 73910), (30, 66519), (38, 52515), (45, 44346), (54, 36955), (57, 35010), (90, 22173), (95, 21006), (114, 17505), (135, 14782), (171, 11670), (190, 10503), (270, 7391), (285, 7002), (342, 5835), (389, 5130), (513, 3890), (570, 3501), (778, 2565), (855, 2334), (1026, 1945), (1167, 1710)]