156923260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2731}}^1$

素因数の和:2783

約数の個数: 72

約数和(自身を含む): 377966736

約数和(自身を除く): 221043476

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 845, 884, 1105, 1690, 2210, 2731, 2873, 3380, 4420, 5462, 5746, 10924, 11492, 13655, 14365, 27310, 28730, 35503, 46427, 54620, 57460, 71006, 92854, 142012, 177515, 185708, 232135, 355030, 461539, 464270, 603551, 710060, 923078, 928540, 1207102, 1846156, 2307695, 2414204, 3017755, 4615390, 6035510, 7846163, 9230780, 12071020, 15692326, 31384652, 39230815, 78461630, 156923260]

約数ペア:

[(1, 156923260), (2, 78461630), (4, 39230815), (5, 31384652), (10, 15692326), (13, 12071020), (17, 9230780), (20, 7846163), (26, 6035510), (34, 4615390), (52, 3017755), (65, 2414204), (68, 2307695), (85, 1846156), (130, 1207102), (169, 928540), (170, 923078), (221, 710060), (260, 603551), (338, 464270), (340, 461539), (442, 355030), (676, 232135), (845, 185708), (884, 177515), (1105, 142012), (1690, 92854), (2210, 71006), (2731, 57460), (2873, 54620), (3380, 46427), (4420, 35503), (5462, 28730), (5746, 27310), (10924, 14365), (11492, 13655)]