28305591720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33697133}}^1$

素因数の和:33697154

約数の個数: 64

約数和(自身を含む): 97047745920

約数和(自身を除く): 68742154200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 33697133, 67394266, 101091399, 134788532, 168485665, 202182798, 235879931, 269577064, 336971330, 404365596, 471759862, 505456995, 673942660, 707639793, 808731192, 943519724, 1010913990, 1179399655, 1347885320, 1415279586, 1887039448, 2021827980, 2358799310, 2830559172, 3538198965, 4043655960, 4717598620, 5661118344, 7076397930, 9435197240, 14152795860, 28305591720]

約数ペア:

[(1, 28305591720), (2, 14152795860), (3, 9435197240), (4, 7076397930), (5, 5661118344), (6, 4717598620), (7, 4043655960), (8, 3538198965), (10, 2830559172), (12, 2358799310), (14, 2021827980), (15, 1887039448), (20, 1415279586), (21, 1347885320), (24, 1179399655), (28, 1010913990), (30, 943519724), (35, 808731192), (40, 707639793), (42, 673942660), (56, 505456995), (60, 471759862), (70, 404365596), (84, 336971330), (105, 269577064), (120, 235879931), (140, 202182798), (168, 168485665), (210, 134788532), (280, 101091399), (420, 67394266), (840, 33697133)]