17605980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 62112960

約数和(自身を除く): 44506980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 157, 178, 180, 210, 252, 267, 314, 315, 356, 420, 445, 471, 534, 623, 628, 630, 785, 801, 890, 942, 1068, 1099, 1246, 1260, 1335, 1413, 1570, 1602, 1780, 1869, 1884, 2198, 2355, 2492, 2670, 2826, 3115, 3140, 3204, 3297, 3738, 4005, 4396, 4710, 5340, 5495, 5607, 5652, 6230, 6594, 7065, 7476, 8010, 9345, 9420, 9891, 10990, 11214, 12460, 13188, 13973, 14130, 16020, 16485, 18690, 19782, 21980, 22428, 27946, 28035, 28260, 32970, 37380, 39564, 41919, 49455, 55892, 56070, 65940, 69865, 83838, 97811, 98910, 112140, 125757, 139730, 167676, 195622, 197820, 209595, 251514, 279460, 293433, 391244, 419190, 489055, 503028, 586866, 628785, 838380, 880299, 978110, 1173732, 1257570, 1467165, 1760598, 1956220, 2515140, 2934330, 3521196, 4401495, 5868660, 8802990, 17605980]

約数ペア:

[(1, 17605980), (2, 8802990), (3, 5868660), (4, 4401495), (5, 3521196), (6, 2934330), (7, 2515140), (9, 1956220), (10, 1760598), (12, 1467165), (14, 1257570), (15, 1173732), (18, 978110), (20, 880299), (21, 838380), (28, 628785), (30, 586866), (35, 503028), (36, 489055), (42, 419190), (45, 391244), (60, 293433), (63, 279460), (70, 251514), (84, 209595), (89, 197820), (90, 195622), (105, 167676), (126, 139730), (140, 125757), (157, 112140), (178, 98910), (180, 97811), (210, 83838), (252, 69865), (267, 65940), (314, 56070), (315, 55892), (356, 49455), (420, 41919), (445, 39564), (471, 37380), (534, 32970), (623, 28260), (628, 28035), (630, 27946), (785, 22428), (801, 21980), (890, 19782), (942, 18690), (1068, 16485), (1099, 16020), (1246, 14130), (1260, 13973), (1335, 13188), (1413, 12460), (1570, 11214), (1602, 10990), (1780, 9891), (1869, 9420), (1884, 9345), (2198, 8010), (2355, 7476), (2492, 7065), (2670, 6594), (2826, 6230), (3115, 5652), (3140, 5607), (3204, 5495), (3297, 5340), (3738, 4710), (4005, 4396)]