66335640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{503}}^1$

素因数の和:681

約数の個数: 128

約数和(自身を含む): 229340160

約数和(自身を除く): 163004520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 157, 168, 210, 280, 314, 420, 471, 503, 628, 785, 840, 942, 1006, 1099, 1256, 1509, 1570, 1884, 2012, 2198, 2355, 2515, 3018, 3140, 3297, 3521, 3768, 4024, 4396, 4710, 5030, 5495, 6036, 6280, 6594, 7042, 7545, 8792, 9420, 10060, 10563, 10990, 12072, 13188, 14084, 15090, 16485, 17605, 18840, 20120, 21126, 21980, 26376, 28168, 30180, 32970, 35210, 42252, 43960, 52815, 60360, 65940, 70420, 78971, 84504, 105630, 131880, 140840, 157942, 211260, 236913, 315884, 394855, 422520, 473826, 552797, 631768, 789710, 947652, 1105594, 1184565, 1579420, 1658391, 1895304, 2211188, 2369130, 2763985, 3158840, 3316782, 4422376, 4738260, 5527970, 6633564, 8291955, 9476520, 11055940, 13267128, 16583910, 22111880, 33167820, 66335640]

約数ペア:

[(1, 66335640), (2, 33167820), (3, 22111880), (4, 16583910), (5, 13267128), (6, 11055940), (7, 9476520), (8, 8291955), (10, 6633564), (12, 5527970), (14, 4738260), (15, 4422376), (20, 3316782), (21, 3158840), (24, 2763985), (28, 2369130), (30, 2211188), (35, 1895304), (40, 1658391), (42, 1579420), (56, 1184565), (60, 1105594), (70, 947652), (84, 789710), (105, 631768), (120, 552797), (140, 473826), (157, 422520), (168, 394855), (210, 315884), (280, 236913), (314, 211260), (420, 157942), (471, 140840), (503, 131880), (628, 105630), (785, 84504), (840, 78971), (942, 70420), (1006, 65940), (1099, 60360), (1256, 52815), (1509, 43960), (1570, 42252), (1884, 35210), (2012, 32970), (2198, 30180), (2355, 28168), (2515, 26376), (3018, 21980), (3140, 21126), (3297, 20120), (3521, 18840), (3768, 17605), (4024, 16485), (4396, 15090), (4710, 14084), (5030, 13188), (5495, 12072), (6036, 10990), (6280, 10563), (6594, 10060), (7042, 9420), (7545, 8792)]