66321640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 189630720

約数和(自身を除く): 123309080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 61, 70, 77, 88, 110, 122, 140, 154, 220, 244, 280, 305, 308, 353, 385, 427, 440, 488, 610, 616, 671, 706, 770, 854, 1220, 1342, 1412, 1540, 1708, 1765, 2135, 2440, 2471, 2684, 2824, 3080, 3355, 3416, 3530, 3883, 4270, 4697, 4942, 5368, 6710, 7060, 7766, 8540, 9394, 9884, 12355, 13420, 14120, 15532, 17080, 18788, 19415, 19768, 21533, 23485, 24710, 26840, 27181, 31064, 37576, 38830, 43066, 46970, 49420, 54362, 77660, 86132, 93940, 98840, 107665, 108724, 135905, 150731, 155320, 172264, 187880, 215330, 217448, 236863, 271810, 301462, 430660, 473726, 543620, 602924, 753655, 861320, 947452, 1087240, 1184315, 1205848, 1507310, 1658041, 1894904, 2368630, 3014620, 3316082, 4737260, 6029240, 6632164, 8290205, 9474520, 13264328, 16580410, 33160820, 66321640]

約数ペア:

[(1, 66321640), (2, 33160820), (4, 16580410), (5, 13264328), (7, 9474520), (8, 8290205), (10, 6632164), (11, 6029240), (14, 4737260), (20, 3316082), (22, 3014620), (28, 2368630), (35, 1894904), (40, 1658041), (44, 1507310), (55, 1205848), (56, 1184315), (61, 1087240), (70, 947452), (77, 861320), (88, 753655), (110, 602924), (122, 543620), (140, 473726), (154, 430660), (220, 301462), (244, 271810), (280, 236863), (305, 217448), (308, 215330), (353, 187880), (385, 172264), (427, 155320), (440, 150731), (488, 135905), (610, 108724), (616, 107665), (671, 98840), (706, 93940), (770, 86132), (854, 77660), (1220, 54362), (1342, 49420), (1412, 46970), (1540, 43066), (1708, 38830), (1765, 37576), (2135, 31064), (2440, 27181), (2471, 26840), (2684, 24710), (2824, 23485), (3080, 21533), (3355, 19768), (3416, 19415), (3530, 18788), (3883, 17080), (4270, 15532), (4697, 14120), (4942, 13420), (5368, 12355), (6710, 9884), (7060, 9394), (7766, 8540)]