261993040

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1181}}^1$

素因数の和:1300

約数の個数: 80

約数和(自身を含む): 633173760

約数和(自身を除く): 371180720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 59, 80, 94, 118, 188, 235, 236, 295, 376, 470, 472, 590, 752, 940, 944, 1180, 1181, 1880, 2360, 2362, 2773, 3760, 4720, 4724, 5546, 5905, 9448, 11092, 11810, 13865, 18896, 22184, 23620, 27730, 44368, 47240, 55460, 55507, 69679, 94480, 110920, 111014, 139358, 221840, 222028, 277535, 278716, 348395, 444056, 555070, 557432, 696790, 888112, 1110140, 1114864, 1393580, 2220280, 2787160, 3274913, 4440560, 5574320, 6549826, 13099652, 16374565, 26199304, 32749130, 52398608, 65498260, 130996520, 261993040]

約数ペア:

[(1, 261993040), (2, 130996520), (4, 65498260), (5, 52398608), (8, 32749130), (10, 26199304), (16, 16374565), (20, 13099652), (40, 6549826), (47, 5574320), (59, 4440560), (80, 3274913), (94, 2787160), (118, 2220280), (188, 1393580), (235, 1114864), (236, 1110140), (295, 888112), (376, 696790), (470, 557432), (472, 555070), (590, 444056), (752, 348395), (940, 278716), (944, 277535), (1180, 222028), (1181, 221840), (1880, 139358), (2360, 111014), (2362, 110920), (2773, 94480), (3760, 69679), (4720, 55507), (4724, 55460), (5546, 47240), (5905, 44368), (9448, 27730), (11092, 23620), (11810, 22184), (13865, 18896)]