245408520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{631}}^1$

素因数の和:1115

約数の個数: 128

約数和(自身を含む): 844554240

約数和(自身を除く): 599145720

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, 420, 463, 631, 840, 926, 1262, 1389, 1852, 1893, 2315, 2524, 2778, 3155, 3241, 3704, 3786, 4417, 4630, 5048, 5556, 6310, 6482, 6945, 7572, 8834, 9260, 9465, 9723, 11112, 12620, 12964, 13251, 13890, 15144, 16205, 17668, 18520, 18930, 19446, 22085, 25240, 25928, 26502, 27780, 32410, 35336, 37860, 38892, 44170, 48615, 53004, 55560, 64820, 66255, 75720, 77784, 88340, 97230, 106008, 129640, 132510, 176680, 194460, 265020, 292153, 388920, 530040, 584306, 876459, 1168612, 1460765, 1752918, 2045071, 2337224, 2921530, 3505836, 4090142, 4382295, 5843060, 6135213, 7011672, 8180284, 8764590, 10225355, 11686120, 12270426, 16360568, 17529180, 20450710, 24540852, 30676065, 35058360, 40901420, 49081704, 61352130, 81802840, 122704260, 245408520]

約数ペア:

[(1, 245408520), (2, 122704260), (3, 81802840), (4, 61352130), (5, 49081704), (6, 40901420), (7, 35058360), (8, 30676065), (10, 24540852), (12, 20450710), (14, 17529180), (15, 16360568), (20, 12270426), (21, 11686120), (24, 10225355), (28, 8764590), (30, 8180284), (35, 7011672), (40, 6135213), (42, 5843060), (56, 4382295), (60, 4090142), (70, 3505836), (84, 2921530), (105, 2337224), (120, 2045071), (140, 1752918), (168, 1460765), (210, 1168612), (280, 876459), (420, 584306), (463, 530040), (631, 388920), (840, 292153), (926, 265020), (1262, 194460), (1389, 176680), (1852, 132510), (1893, 129640), (2315, 106008), (2524, 97230), (2778, 88340), (3155, 77784), (3241, 75720), (3704, 66255), (3786, 64820), (4417, 55560), (4630, 53004), (5048, 48615), (5556, 44170), (6310, 38892), (6482, 37860), (6945, 35336), (7572, 32410), (8834, 27780), (9260, 26502), (9465, 25928), (9723, 25240), (11112, 22085), (12620, 19446), (12964, 18930), (13251, 18520), (13890, 17668), (15144, 16205)]