1985160840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1272539}}^1$

素因数の和:1272566

約数の個数: 64

約数和(自身を含む): 6413601600

約数和(自身を除く): 4428440760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 1272539, 2545078, 3817617, 5090156, 6362695, 7635234, 10180312, 12725390, 15270468, 16543007, 19088085, 25450780, 30540936, 33086014, 38176170, 49629021, 50901560, 66172028, 76352340, 82715035, 99258042, 132344056, 152704680, 165430070, 198516084, 248145105, 330860140, 397032168, 496290210, 661720280, 992580420, 1985160840]

約数ペア:

[(1, 1985160840), (2, 992580420), (3, 661720280), (4, 496290210), (5, 397032168), (6, 330860140), (8, 248145105), (10, 198516084), (12, 165430070), (13, 152704680), (15, 132344056), (20, 99258042), (24, 82715035), (26, 76352340), (30, 66172028), (39, 50901560), (40, 49629021), (52, 38176170), (60, 33086014), (65, 30540936), (78, 25450780), (104, 19088085), (120, 16543007), (130, 15270468), (156, 12725390), (195, 10180312), (260, 7635234), (312, 6362695), (390, 5090156), (520, 3817617), (780, 2545078), (1560, 1272539)]