1556688780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{587}}^1\times {\mathrm{1637}}^1$

素因数の和:2245

約数の個数: 120

約数和(自身を含む): 4894697808

約数和(自身を除く): 3338009028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 587, 810, 1174, 1620, 1637, 1761, 2348, 2935, 3274, 3522, 4911, 5283, 5870, 6548, 7044, 8185, 8805, 9822, 10566, 11740, 14733, 15849, 16370, 17610, 19644, 21132, 24555, 26415, 29466, 31698, 32740, 35220, 44199, 47547, 49110, 52830, 58932, 63396, 73665, 79245, 88398, 95094, 98220, 105660, 132597, 147330, 158490, 176796, 190188, 220995, 237735, 265194, 294660, 316980, 441990, 475470, 530388, 662985, 883980, 950940, 960919, 1325970, 1921838, 2651940, 2882757, 3843676, 4804595, 5765514, 8648271, 9609190, 11531028, 14413785, 17296542, 19218380, 25944813, 28827570, 34593084, 43241355, 51889626, 57655140, 77834439, 86482710, 103779252, 129724065, 155668878, 172965420, 259448130, 311337756, 389172195, 518896260, 778344390, 1556688780]

約数ペア:

[(1, 1556688780), (2, 778344390), (3, 518896260), (4, 389172195), (5, 311337756), (6, 259448130), (9, 172965420), (10, 155668878), (12, 129724065), (15, 103779252), (18, 86482710), (20, 77834439), (27, 57655140), (30, 51889626), (36, 43241355), (45, 34593084), (54, 28827570), (60, 25944813), (81, 19218380), (90, 17296542), (108, 14413785), (135, 11531028), (162, 9609190), (180, 8648271), (270, 5765514), (324, 4804595), (405, 3843676), (540, 2882757), (587, 2651940), (810, 1921838), (1174, 1325970), (1620, 960919), (1637, 950940), (1761, 883980), (2348, 662985), (2935, 530388), (3274, 475470), (3522, 441990), (4911, 316980), (5283, 294660), (5870, 265194), (6548, 237735), (7044, 220995), (8185, 190188), (8805, 176796), (9822, 158490), (10566, 147330), (11740, 132597), (14733, 105660), (15849, 98220), (16370, 95094), (17610, 88398), (19644, 79245), (21132, 73665), (24555, 63396), (26415, 58932), (29466, 52830), (31698, 49110), (32740, 47547), (35220, 44199)]