40075320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{641}}^1$

素因数の和:1176

約数の個数: 64

約数和(自身を含む): 120644640

約数和(自身を除く): 80569320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 521, 641, 1042, 1282, 1563, 1923, 2084, 2564, 2605, 3126, 3205, 3846, 4168, 5128, 5210, 6252, 6410, 7692, 7815, 9615, 10420, 12504, 12820, 15384, 15630, 19230, 20840, 25640, 31260, 38460, 62520, 76920, 333961, 667922, 1001883, 1335844, 1669805, 2003766, 2671688, 3339610, 4007532, 5009415, 6679220, 8015064, 10018830, 13358440, 20037660, 40075320]

約数ペア:

[(1, 40075320), (2, 20037660), (3, 13358440), (4, 10018830), (5, 8015064), (6, 6679220), (8, 5009415), (10, 4007532), (12, 3339610), (15, 2671688), (20, 2003766), (24, 1669805), (30, 1335844), (40, 1001883), (60, 667922), (120, 333961), (521, 76920), (641, 62520), (1042, 38460), (1282, 31260), (1563, 25640), (1923, 20840), (2084, 19230), (2564, 15630), (2605, 15384), (3126, 12820), (3205, 12504), (3846, 10420), (4168, 9615), (5128, 7815), (5210, 7692), (6252, 6410)]