128810400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:495

約数の個数: 144

約数和(自身を含む): 422972928

約数和(自身を除く): 294162528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 191, 200, 240, 281, 300, 382, 400, 480, 562, 573, 600, 764, 800, 843, 955, 1124, 1146, 1200, 1405, 1528, 1686, 1910, 2248, 2292, 2400, 2810, 2865, 3056, 3372, 3820, 4215, 4496, 4584, 4775, 5620, 5730, 6112, 6744, 7025, 7640, 8430, 8992, 9168, 9550, 11240, 11460, 13488, 14050, 14325, 15280, 16860, 18336, 19100, 21075, 22480, 22920, 26976, 28100, 28650, 30560, 33720, 38200, 42150, 44960, 45840, 53671, 56200, 57300, 67440, 76400, 84300, 91680, 107342, 112400, 114600, 134880, 152800, 161013, 168600, 214684, 224800, 229200, 268355, 322026, 337200, 429368, 458400, 536710, 644052, 674400, 805065, 858736, 1073420, 1288104, 1341775, 1610130, 1717472, 2146840, 2576208, 2683550, 3220260, 4025325, 4293680, 5152416, 5367100, 6440520, 8050650, 8587360, 10734200, 12881040, 16101300, 21468400, 25762080, 32202600, 42936800, 64405200, 128810400]

約数ペア:

[(1, 128810400), (2, 64405200), (3, 42936800), (4, 32202600), (5, 25762080), (6, 21468400), (8, 16101300), (10, 12881040), (12, 10734200), (15, 8587360), (16, 8050650), (20, 6440520), (24, 5367100), (25, 5152416), (30, 4293680), (32, 4025325), (40, 3220260), (48, 2683550), (50, 2576208), (60, 2146840), (75, 1717472), (80, 1610130), (96, 1341775), (100, 1288104), (120, 1073420), (150, 858736), (160, 805065), (191, 674400), (200, 644052), (240, 536710), (281, 458400), (300, 429368), (382, 337200), (400, 322026), (480, 268355), (562, 229200), (573, 224800), (600, 214684), (764, 168600), (800, 161013), (843, 152800), (955, 134880), (1124, 114600), (1146, 112400), (1200, 107342), (1405, 91680), (1528, 84300), (1686, 76400), (1910, 67440), (2248, 57300), (2292, 56200), (2400, 53671), (2810, 45840), (2865, 44960), (3056, 42150), (3372, 38200), (3820, 33720), (4215, 30560), (4496, 28650), (4584, 28100), (4775, 26976), (5620, 22920), (5730, 22480), (6112, 21075), (6744, 19100), (7025, 18336), (7640, 16860), (8430, 15280), (8992, 14325), (9168, 14050), (9550, 13488), (11240, 11460)]