1239476720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:343

約数の個数: 160

約数和(自身を含む): 3111229440

約数和(自身を除く): 1871752720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 59, 62, 80, 86, 118, 124, 155, 172, 197, 215, 236, 248, 295, 310, 344, 394, 430, 472, 496, 590, 620, 688, 788, 860, 944, 985, 1180, 1240, 1333, 1576, 1720, 1829, 1970, 2360, 2480, 2537, 2666, 3152, 3440, 3658, 3940, 4720, 5074, 5332, 6107, 6665, 7316, 7880, 8471, 9145, 10148, 10664, 11623, 12214, 12685, 13330, 14632, 15760, 16942, 18290, 20296, 21328, 23246, 24428, 25370, 26660, 29264, 30535, 33884, 36580, 40592, 42355, 46492, 48856, 50740, 53320, 58115, 61070, 67768, 73160, 78647, 84710, 92984, 97712, 101480, 106640, 116230, 122140, 135536, 146320, 157294, 169420, 185968, 202960, 232460, 244280, 262601, 314588, 338840, 360313, 393235, 464920, 488560, 499789, 525202, 629176, 677680, 720626, 786470, 929840, 999578, 1050404, 1258352, 1313005, 1441252, 1572940, 1801565, 1999156, 2100808, 2498945, 2626010, 2882504, 3145880, 3603130, 3998312, 4201616, 4997890, 5252020, 5765008, 6291760, 7206260, 7996624, 9995780, 10504040, 14412520, 15493459, 19991560, 21008080, 28825040, 30986918, 39983120, 61973836, 77467295, 123947672, 154934590, 247895344, 309869180, 619738360, 1239476720]

約数ペア:

[(1, 1239476720), (2, 619738360), (4, 309869180), (5, 247895344), (8, 154934590), (10, 123947672), (16, 77467295), (20, 61973836), (31, 39983120), (40, 30986918), (43, 28825040), (59, 21008080), (62, 19991560), (80, 15493459), (86, 14412520), (118, 10504040), (124, 9995780), (155, 7996624), (172, 7206260), (197, 6291760), (215, 5765008), (236, 5252020), (248, 4997890), (295, 4201616), (310, 3998312), (344, 3603130), (394, 3145880), (430, 2882504), (472, 2626010), (496, 2498945), (590, 2100808), (620, 1999156), (688, 1801565), (788, 1572940), (860, 1441252), (944, 1313005), (985, 1258352), (1180, 1050404), (1240, 999578), (1333, 929840), (1576, 786470), (1720, 720626), (1829, 677680), (1970, 629176), (2360, 525202), (2480, 499789), (2537, 488560), (2666, 464920), (3152, 393235), (3440, 360313), (3658, 338840), (3940, 314588), (4720, 262601), (5074, 244280), (5332, 232460), (6107, 202960), (6665, 185968), (7316, 169420), (7880, 157294), (8471, 146320), (9145, 135536), (10148, 122140), (10664, 116230), (11623, 106640), (12214, 101480), (12685, 97712), (13330, 92984), (14632, 84710), (15760, 78647), (16942, 73160), (18290, 67768), (20296, 61070), (21328, 58115), (23246, 53320), (24428, 50740), (25370, 48856), (26660, 46492), (29264, 42355), (30535, 40592), (33884, 36580)]