245081520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20023}}^1$

素因数の和:20059

約数の個数: 120

約数和(自身を含む): 871524576

約数和(自身を除く): 626443056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2448, 3060, 4080, 6120, 12240, 20023, 40046, 60069, 80092, 100115, 120138, 160184, 180207, 200230, 240276, 300345, 320368, 340391, 360414, 400460, 480552, 600690, 680782, 720828, 800920, 901035, 961104, 1021173, 1201380, 1361564, 1441656, 1601840, 1701955, 1802070, 2042346, 2402760, 2723128, 2883312, 3063519, 3403910, 3604140, 4084692, 4805520, 5105865, 5446256, 6127038, 6807820, 7208280, 8169384, 10211730, 12254076, 13615640, 14416560, 15317595, 16338768, 20423460, 24508152, 27231280, 30635190, 40846920, 49016304, 61270380, 81693840, 122540760, 245081520]

約数ペア:

[(1, 245081520), (2, 122540760), (3, 81693840), (4, 61270380), (5, 49016304), (6, 40846920), (8, 30635190), (9, 27231280), (10, 24508152), (12, 20423460), (15, 16338768), (16, 15317595), (17, 14416560), (18, 13615640), (20, 12254076), (24, 10211730), (30, 8169384), (34, 7208280), (36, 6807820), (40, 6127038), (45, 5446256), (48, 5105865), (51, 4805520), (60, 4084692), (68, 3604140), (72, 3403910), (80, 3063519), (85, 2883312), (90, 2723128), (102, 2402760), (120, 2042346), (136, 1802070), (144, 1701955), (153, 1601840), (170, 1441656), (180, 1361564), (204, 1201380), (240, 1021173), (255, 961104), (272, 901035), (306, 800920), (340, 720828), (360, 680782), (408, 600690), (510, 480552), (612, 400460), (680, 360414), (720, 340391), (765, 320368), (816, 300345), (1020, 240276), (1224, 200230), (1360, 180207), (1530, 160184), (2040, 120138), (2448, 100115), (3060, 80092), (4080, 60069), (6120, 40046), (12240, 20023)]