31979640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3461}}^1$

素因数の和:3493

約数の個数: 128

約数和(自身を含む): 119646720

約数和(自身を除く): 87667080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 3461, 4620, 6922, 9240, 10383, 13844, 17305, 20766, 24227, 27688, 34610, 38071, 41532, 48454, 51915, 69220, 72681, 76142, 83064, 96908, 103830, 114213, 121135, 138440, 145362, 152284, 190355, 193816, 207660, 228426, 242270, 266497, 290724, 304568, 363405, 380710, 415320, 456852, 484540, 532994, 571065, 581448, 726810, 761420, 799491, 913704, 969080, 1065988, 1142130, 1332485, 1453620, 1522840, 1598982, 2131976, 2284260, 2664970, 2907240, 3197964, 3997455, 4568520, 5329940, 6395928, 7994910, 10659880, 15989820, 31979640]

約数ペア:

[(1, 31979640), (2, 15989820), (3, 10659880), (4, 7994910), (5, 6395928), (6, 5329940), (7, 4568520), (8, 3997455), (10, 3197964), (11, 2907240), (12, 2664970), (14, 2284260), (15, 2131976), (20, 1598982), (21, 1522840), (22, 1453620), (24, 1332485), (28, 1142130), (30, 1065988), (33, 969080), (35, 913704), (40, 799491), (42, 761420), (44, 726810), (55, 581448), (56, 571065), (60, 532994), (66, 484540), (70, 456852), (77, 415320), (84, 380710), (88, 363405), (105, 304568), (110, 290724), (120, 266497), (132, 242270), (140, 228426), (154, 207660), (165, 193816), (168, 190355), (210, 152284), (220, 145362), (231, 138440), (264, 121135), (280, 114213), (308, 103830), (330, 96908), (385, 83064), (420, 76142), (440, 72681), (462, 69220), (616, 51915), (660, 48454), (770, 41532), (840, 38071), (924, 34610), (1155, 27688), (1320, 24227), (1540, 20766), (1848, 17305), (2310, 13844), (3080, 10383), (3461, 9240), (4620, 6922)]