420243720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269387}}^1$

素因数の和:269414

約数の個数: 64

約数和(自身を含む): 1357715520

約数和(自身を除く): 937471800

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, 269387, 538774, 808161, 1077548, 1346935, 1616322, 2155096, 2693870, 3232644, 3502031, 4040805, 5387740, 6465288, 7004062, 8081610, 10506093, 10775480, 14008124, 16163220, 17510155, 21012186, 28016248, 32326440, 35020310, 42024372, 52530465, 70040620, 84048744, 105060930, 140081240, 210121860, 420243720]

約数ペア:

[(1, 420243720), (2, 210121860), (3, 140081240), (4, 105060930), (5, 84048744), (6, 70040620), (8, 52530465), (10, 42024372), (12, 35020310), (13, 32326440), (15, 28016248), (20, 21012186), (24, 17510155), (26, 16163220), (30, 14008124), (39, 10775480), (40, 10506093), (52, 8081610), (60, 7004062), (65, 6465288), (78, 5387740), (104, 4040805), (120, 3502031), (130, 3232644), (156, 2693870), (195, 2155096), (260, 1616322), (312, 1346935), (390, 1077548), (520, 808161), (780, 538774), (1560, 269387)]