402564120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{479243}}^1$

素因数の和:479264

約数の個数: 64

約数和(自身を含む): 1380222720

約数和(自身を除く): 977658600

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, 479243, 958486, 1437729, 1916972, 2396215, 2875458, 3354701, 3833944, 4792430, 5750916, 6709402, 7188645, 9584860, 10064103, 11501832, 13418804, 14377290, 16773505, 19169720, 20128206, 26837608, 28754580, 33547010, 40256412, 50320515, 57509160, 67094020, 80512824, 100641030, 134188040, 201282060, 402564120]

約数ペア:

[(1, 402564120), (2, 201282060), (3, 134188040), (4, 100641030), (5, 80512824), (6, 67094020), (7, 57509160), (8, 50320515), (10, 40256412), (12, 33547010), (14, 28754580), (15, 26837608), (20, 20128206), (21, 19169720), (24, 16773505), (28, 14377290), (30, 13418804), (35, 11501832), (40, 10064103), (42, 9584860), (56, 7188645), (60, 6709402), (70, 5750916), (84, 4792430), (105, 3833944), (120, 3354701), (140, 2875458), (168, 2396215), (210, 1916972), (280, 1437729), (420, 958486), (840, 479243)]