181318480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^2$

素因数の和:233

約数の個数: 120

約数和(自身を含む): 498039552

約数和(自身を除く): 316721072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 83, 94, 112, 140, 166, 188, 235, 280, 329, 332, 376, 415, 470, 560, 581, 658, 664, 752, 830, 940, 1162, 1316, 1328, 1645, 1660, 1880, 2324, 2632, 2905, 3290, 3320, 3760, 3901, 4648, 5264, 5810, 6580, 6640, 6889, 7802, 9296, 11620, 13160, 13778, 15604, 19505, 23240, 26320, 27307, 27556, 31208, 34445, 39010, 46480, 48223, 54614, 55112, 62416, 68890, 78020, 96446, 109228, 110224, 136535, 137780, 156040, 192892, 218456, 241115, 273070, 275560, 312080, 323783, 385784, 436912, 482230, 546140, 551120, 647566, 771568, 964460, 1092280, 1295132, 1618915, 1928920, 2184560, 2266481, 2590264, 3237830, 3857840, 4532962, 5180528, 6475660, 9065924, 11332405, 12951320, 18131848, 22664810, 25902640, 36263696, 45329620, 90659240, 181318480]

約数ペア:

[(1, 181318480), (2, 90659240), (4, 45329620), (5, 36263696), (7, 25902640), (8, 22664810), (10, 18131848), (14, 12951320), (16, 11332405), (20, 9065924), (28, 6475660), (35, 5180528), (40, 4532962), (47, 3857840), (56, 3237830), (70, 2590264), (80, 2266481), (83, 2184560), (94, 1928920), (112, 1618915), (140, 1295132), (166, 1092280), (188, 964460), (235, 771568), (280, 647566), (329, 551120), (332, 546140), (376, 482230), (415, 436912), (470, 385784), (560, 323783), (581, 312080), (658, 275560), (664, 273070), (752, 241115), (830, 218456), (940, 192892), (1162, 156040), (1316, 137780), (1328, 136535), (1645, 110224), (1660, 109228), (1880, 96446), (2324, 78020), (2632, 68890), (2905, 62416), (3290, 55112), (3320, 54614), (3760, 48223), (3901, 46480), (4648, 39010), (5264, 34445), (5810, 31208), (6580, 27556), (6640, 27307), (6889, 26320), (7802, 23240), (9296, 19505), (11620, 15604), (13160, 13778)]