247402680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{769}}^1$

素因数の和:1173

約数の個数: 128

約数和(自身を含む): 851558400

約数和(自身を除く): 604155720

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, 383, 420, 766, 769, 840, 1149, 1532, 1538, 1915, 2298, 2307, 2681, 3064, 3076, 3830, 3845, 4596, 4614, 5362, 5383, 5745, 6152, 7660, 7690, 8043, 9192, 9228, 10724, 10766, 11490, 11535, 13405, 15320, 15380, 16086, 16149, 18456, 21448, 21532, 22980, 23070, 26810, 26915, 30760, 32172, 32298, 40215, 43064, 45960, 46140, 53620, 53830, 64344, 64596, 80430, 80745, 92280, 107240, 107660, 129192, 160860, 161490, 215320, 294527, 321720, 322980, 589054, 645960, 883581, 1178108, 1472635, 1767162, 2061689, 2356216, 2945270, 3534324, 4123378, 4417905, 5890540, 6185067, 7068648, 8246756, 8835810, 10308445, 11781080, 12370134, 16493512, 17671620, 20616890, 24740268, 30925335, 35343240, 41233780, 49480536, 61850670, 82467560, 123701340, 247402680]

約数ペア:

[(1, 247402680), (2, 123701340), (3, 82467560), (4, 61850670), (5, 49480536), (6, 41233780), (7, 35343240), (8, 30925335), (10, 24740268), (12, 20616890), (14, 17671620), (15, 16493512), (20, 12370134), (21, 11781080), (24, 10308445), (28, 8835810), (30, 8246756), (35, 7068648), (40, 6185067), (42, 5890540), (56, 4417905), (60, 4123378), (70, 3534324), (84, 2945270), (105, 2356216), (120, 2061689), (140, 1767162), (168, 1472635), (210, 1178108), (280, 883581), (383, 645960), (420, 589054), (766, 322980), (769, 321720), (840, 294527), (1149, 215320), (1532, 161490), (1538, 160860), (1915, 129192), (2298, 107660), (2307, 107240), (2681, 92280), (3064, 80745), (3076, 80430), (3830, 64596), (3845, 64344), (4596, 53830), (4614, 53620), (5362, 46140), (5383, 45960), (5745, 43064), (6152, 40215), (7660, 32298), (7690, 32172), (8043, 30760), (9192, 26915), (9228, 26810), (10724, 23070), (10766, 22980), (11490, 21532), (11535, 21448), (13405, 18456), (15320, 16149), (15380, 16086)]