63981840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20507}}^1$

素因数の和:20536

約数の個数: 80

約数和(自身を含む): 213611328

約数和(自身を除く): 149629488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 20507, 41014, 61521, 82028, 102535, 123042, 164056, 205070, 246084, 266591, 307605, 328112, 410140, 492168, 533182, 615210, 799773, 820280, 984336, 1066364, 1230420, 1332955, 1599546, 1640560, 2132728, 2460840, 2665910, 3199092, 3998865, 4265456, 4921680, 5331820, 6398184, 7997730, 10663640, 12796368, 15995460, 21327280, 31990920, 63981840]

約数ペア:

[(1, 63981840), (2, 31990920), (3, 21327280), (4, 15995460), (5, 12796368), (6, 10663640), (8, 7997730), (10, 6398184), (12, 5331820), (13, 4921680), (15, 4265456), (16, 3998865), (20, 3199092), (24, 2665910), (26, 2460840), (30, 2132728), (39, 1640560), (40, 1599546), (48, 1332955), (52, 1230420), (60, 1066364), (65, 984336), (78, 820280), (80, 799773), (104, 615210), (120, 533182), (130, 492168), (156, 410140), (195, 328112), (208, 307605), (240, 266591), (260, 246084), (312, 205070), (390, 164056), (520, 123042), (624, 102535), (780, 82028), (1040, 61521), (1560, 41014), (3120, 20507)]