65721840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1091}}^1$

素因数の和:1358

約数の個数: 80

約数和(自身を含む): 204736896

約数和(自身を除く): 139015056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 251, 502, 753, 1004, 1091, 1255, 1506, 2008, 2182, 2510, 3012, 3273, 3765, 4016, 4364, 5020, 5455, 6024, 6546, 7530, 8728, 10040, 10910, 12048, 13092, 15060, 16365, 17456, 20080, 21820, 26184, 30120, 32730, 43640, 52368, 60240, 65460, 87280, 130920, 261840, 273841, 547682, 821523, 1095364, 1369205, 1643046, 2190728, 2738410, 3286092, 4107615, 4381456, 5476820, 6572184, 8215230, 10953640, 13144368, 16430460, 21907280, 32860920, 65721840]

約数ペア:

[(1, 65721840), (2, 32860920), (3, 21907280), (4, 16430460), (5, 13144368), (6, 10953640), (8, 8215230), (10, 6572184), (12, 5476820), (15, 4381456), (16, 4107615), (20, 3286092), (24, 2738410), (30, 2190728), (40, 1643046), (48, 1369205), (60, 1095364), (80, 821523), (120, 547682), (240, 273841), (251, 261840), (502, 130920), (753, 87280), (1004, 65460), (1091, 60240), (1255, 52368), (1506, 43640), (2008, 32730), (2182, 30120), (2510, 26184), (3012, 21820), (3273, 20080), (3765, 17456), (4016, 16365), (4364, 15060), (5020, 13092), (5455, 12048), (6024, 10910), (6546, 10040), (7530, 8728)]