881474220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23431}}^1$

素因数の和:23476

約数の個数: 144

約数和(自身を含む): 3070529280

約数和(自身を除く): 2189055060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 836, 855, 990, 1045, 1140, 1254, 1710, 1881, 1980, 2090, 2508, 3135, 3420, 3762, 4180, 6270, 7524, 9405, 12540, 18810, 23431, 37620, 46862, 70293, 93724, 117155, 140586, 210879, 234310, 257741, 281172, 351465, 421758, 445189, 468620, 515482, 702930, 773223, 843516, 890378, 1030964, 1054395, 1288705, 1335567, 1405860, 1546446, 1780756, 2108790, 2225945, 2319669, 2577410, 2671134, 3092892, 3866115, 4006701, 4217580, 4451890, 4639338, 4897079, 5154820, 5342268, 6677835, 7732230, 8013402, 8903780, 9278676, 9794158, 11598345, 13355670, 14691237, 15464460, 16026804, 19588316, 20033505, 23196690, 24485395, 26711340, 29382474, 40067010, 44073711, 46393380, 48970790, 58764948, 73456185, 80134020, 88147422, 97941580, 146912370, 176294844, 220368555, 293824740, 440737110, 881474220]

約数ペア:

[(1, 881474220), (2, 440737110), (3, 293824740), (4, 220368555), (5, 176294844), (6, 146912370), (9, 97941580), (10, 88147422), (11, 80134020), (12, 73456185), (15, 58764948), (18, 48970790), (19, 46393380), (20, 44073711), (22, 40067010), (30, 29382474), (33, 26711340), (36, 24485395), (38, 23196690), (44, 20033505), (45, 19588316), (55, 16026804), (57, 15464460), (60, 14691237), (66, 13355670), (76, 11598345), (90, 9794158), (95, 9278676), (99, 8903780), (110, 8013402), (114, 7732230), (132, 6677835), (165, 5342268), (171, 5154820), (180, 4897079), (190, 4639338), (198, 4451890), (209, 4217580), (220, 4006701), (228, 3866115), (285, 3092892), (330, 2671134), (342, 2577410), (380, 2319669), (396, 2225945), (418, 2108790), (495, 1780756), (570, 1546446), (627, 1405860), (660, 1335567), (684, 1288705), (836, 1054395), (855, 1030964), (990, 890378), (1045, 843516), (1140, 773223), (1254, 702930), (1710, 515482), (1881, 468620), (1980, 445189), (2090, 421758), (2508, 351465), (3135, 281172), (3420, 257741), (3762, 234310), (4180, 210879), (6270, 140586), (7524, 117155), (9405, 93724), (12540, 70293), (18810, 46862), (23431, 37620)]