640913616

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{2801}}^1$

素因数の和:3049

約数の個数: 120

約数和(自身を含む): 2059671744

約数和(自身を除く): 1418758128

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 227, 252, 336, 454, 504, 681, 908, 1008, 1362, 1589, 1816, 2043, 2724, 2801, 3178, 3632, 4086, 4767, 5448, 5602, 6356, 8172, 8403, 9534, 10896, 11204, 12712, 14301, 16344, 16806, 19068, 19607, 22408, 25209, 25424, 28602, 32688, 33612, 38136, 39214, 44816, 50418, 57204, 58821, 67224, 76272, 78428, 100836, 114408, 117642, 134448, 156856, 176463, 201672, 228816, 235284, 313712, 352926, 403344, 470568, 635827, 705852, 941136, 1271654, 1411704, 1907481, 2543308, 2823408, 3814962, 4450789, 5086616, 5722443, 7629924, 8901578, 10173232, 11444886, 13352367, 15259848, 17803156, 22889772, 26704734, 30519696, 35606312, 40057101, 45779544, 53409468, 71212624, 80114202, 91559088, 106818936, 160228404, 213637872, 320456808, 640913616]

約数ペア:

[(1, 640913616), (2, 320456808), (3, 213637872), (4, 160228404), (6, 106818936), (7, 91559088), (8, 80114202), (9, 71212624), (12, 53409468), (14, 45779544), (16, 40057101), (18, 35606312), (21, 30519696), (24, 26704734), (28, 22889772), (36, 17803156), (42, 15259848), (48, 13352367), (56, 11444886), (63, 10173232), (72, 8901578), (84, 7629924), (112, 5722443), (126, 5086616), (144, 4450789), (168, 3814962), (227, 2823408), (252, 2543308), (336, 1907481), (454, 1411704), (504, 1271654), (681, 941136), (908, 705852), (1008, 635827), (1362, 470568), (1589, 403344), (1816, 352926), (2043, 313712), (2724, 235284), (2801, 228816), (3178, 201672), (3632, 176463), (4086, 156856), (4767, 134448), (5448, 117642), (5602, 114408), (6356, 100836), (8172, 78428), (8403, 76272), (9534, 67224), (10896, 58821), (11204, 57204), (12712, 50418), (14301, 44816), (16344, 39214), (16806, 38136), (19068, 33612), (19607, 32688), (22408, 28602), (25209, 25424)]