198678240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:793

約数の個数: 144

約数和(自身を含む): 681788016

約数和(自身を除く): 483109776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 281, 288, 360, 480, 491, 562, 720, 843, 982, 1124, 1405, 1440, 1473, 1686, 1964, 2248, 2455, 2529, 2810, 2946, 3372, 3928, 4215, 4419, 4496, 4910, 5058, 5620, 5892, 6744, 7365, 7856, 8430, 8838, 8992, 9820, 10116, 11240, 11784, 12645, 13488, 14730, 15712, 16860, 17676, 19640, 20232, 22095, 22480, 23568, 25290, 26976, 29460, 33720, 35352, 39280, 40464, 44190, 44960, 47136, 50580, 58920, 67440, 70704, 78560, 80928, 88380, 101160, 117840, 134880, 137971, 141408, 176760, 202320, 235680, 275942, 353520, 404640, 413913, 551884, 689855, 707040, 827826, 1103768, 1241739, 1379710, 1655652, 2069565, 2207536, 2483478, 2759420, 3311304, 4139130, 4415072, 4966956, 5518840, 6208695, 6622608, 8278260, 9933912, 11037680, 12417390, 13245216, 16556520, 19867824, 22075360, 24834780, 33113040, 39735648, 49669560, 66226080, 99339120, 198678240]

約数ペア:

[(1, 198678240), (2, 99339120), (3, 66226080), (4, 49669560), (5, 39735648), (6, 33113040), (8, 24834780), (9, 22075360), (10, 19867824), (12, 16556520), (15, 13245216), (16, 12417390), (18, 11037680), (20, 9933912), (24, 8278260), (30, 6622608), (32, 6208695), (36, 5518840), (40, 4966956), (45, 4415072), (48, 4139130), (60, 3311304), (72, 2759420), (80, 2483478), (90, 2207536), (96, 2069565), (120, 1655652), (144, 1379710), (160, 1241739), (180, 1103768), (240, 827826), (281, 707040), (288, 689855), (360, 551884), (480, 413913), (491, 404640), (562, 353520), (720, 275942), (843, 235680), (982, 202320), (1124, 176760), (1405, 141408), (1440, 137971), (1473, 134880), (1686, 117840), (1964, 101160), (2248, 88380), (2455, 80928), (2529, 78560), (2810, 70704), (2946, 67440), (3372, 58920), (3928, 50580), (4215, 47136), (4419, 44960), (4496, 44190), (4910, 40464), (5058, 39280), (5620, 35352), (5892, 33720), (6744, 29460), (7365, 26976), (7856, 25290), (8430, 23568), (8838, 22480), (8992, 22095), (9820, 20232), (10116, 19640), (11240, 17676), (11784, 16860), (12645, 15712), (13488, 14730)]