660451680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{65521}}^1$

素因数の和:65549

約数の個数: 144

約数和(自身を含む): 2575800864

約数和(自身を除く): 1915349184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 65521, 131042, 196563, 262084, 327605, 393126, 458647, 524168, 589689, 655210, 786252, 917294, 982815, 1048336, 1179378, 1310420, 1375941, 1572504, 1834588, 1965630, 2096672, 2293235, 2358756, 2620840, 2751882, 2948445, 3145008, 3669176, 3931260, 4127823, 4586470, 4717512, 5241680, 5503764, 5896890, 6290016, 6879705, 7338352, 7862520, 8255646, 9172940, 9435024, 10483360, 11007528, 11793780, 13759410, 14676704, 15725040, 16511292, 18345880, 18870048, 20639115, 22015056, 23587560, 27518820, 31450080, 33022584, 36691760, 41278230, 44030112, 47175120, 55037640, 66045168, 73383520, 82556460, 94350240, 110075280, 132090336, 165112920, 220150560, 330225840, 660451680]

約数ペア:

[(1, 660451680), (2, 330225840), (3, 220150560), (4, 165112920), (5, 132090336), (6, 110075280), (7, 94350240), (8, 82556460), (9, 73383520), (10, 66045168), (12, 55037640), (14, 47175120), (15, 44030112), (16, 41278230), (18, 36691760), (20, 33022584), (21, 31450080), (24, 27518820), (28, 23587560), (30, 22015056), (32, 20639115), (35, 18870048), (36, 18345880), (40, 16511292), (42, 15725040), (45, 14676704), (48, 13759410), (56, 11793780), (60, 11007528), (63, 10483360), (70, 9435024), (72, 9172940), (80, 8255646), (84, 7862520), (90, 7338352), (96, 6879705), (105, 6290016), (112, 5896890), (120, 5503764), (126, 5241680), (140, 4717512), (144, 4586470), (160, 4127823), (168, 3931260), (180, 3669176), (210, 3145008), (224, 2948445), (240, 2751882), (252, 2620840), (280, 2358756), (288, 2293235), (315, 2096672), (336, 1965630), (360, 1834588), (420, 1572504), (480, 1375941), (504, 1310420), (560, 1179378), (630, 1048336), (672, 982815), (720, 917294), (840, 786252), (1008, 655210), (1120, 589689), (1260, 524168), (1440, 458647), (1680, 393126), (2016, 327605), (2520, 262084), (3360, 196563), (5040, 131042), (10080, 65521)]