20797463280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2153}}^1\times {\mathrm{3659}}^1$

素因数の和:5839

約数の個数: 160

約数和(自身を含む): 70385137920

約数和(自身を除く): 49587674640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2153, 2640, 3659, 4306, 6459, 7318, 8612, 10765, 10977, 12918, 14636, 17224, 18295, 21530, 21954, 23683, 25836, 29272, 32295, 34448, 36590, 40249, 43060, 43908, 47366, 51672, 54885, 58544, 64590, 71049, 73180, 80498, 86120, 87816, 94732, 103344, 109770, 118415, 120747, 129180, 142098, 146360, 160996, 172240, 175632, 189464, 201245, 219540, 236830, 241494, 258360, 284196, 292720, 321992, 355245, 378928, 402490, 439080, 473660, 482988, 516720, 568392, 603735, 643984, 710490, 804980, 878160, 947320, 965976, 1136784, 1207470, 1420980, 1609960, 1894640, 1931952, 2414940, 2841960, 3219920, 4829880, 5683920, 7877827, 9659760, 15755654, 23633481, 31511308, 39389135, 47266962, 63022616, 78778270, 86656097, 94533924, 118167405, 126045232, 157556540, 173312194, 189067848, 236334810, 259968291, 315113080, 346624388, 378135696, 433280485, 472669620, 519936582, 630226160, 693248776, 866560970, 945339240, 1039873164, 1299841455, 1386497552, 1733121940, 1890678480, 2079746328, 2599682910, 3466243880, 4159492656, 5199365820, 6932487760, 10398731640, 20797463280]

約数ペア:

[(1, 20797463280), (2, 10398731640), (3, 6932487760), (4, 5199365820), (5, 4159492656), (6, 3466243880), (8, 2599682910), (10, 2079746328), (11, 1890678480), (12, 1733121940), (15, 1386497552), (16, 1299841455), (20, 1039873164), (22, 945339240), (24, 866560970), (30, 693248776), (33, 630226160), (40, 519936582), (44, 472669620), (48, 433280485), (55, 378135696), (60, 346624388), (66, 315113080), (80, 259968291), (88, 236334810), (110, 189067848), (120, 173312194), (132, 157556540), (165, 126045232), (176, 118167405), (220, 94533924), (240, 86656097), (264, 78778270), (330, 63022616), (440, 47266962), (528, 39389135), (660, 31511308), (880, 23633481), (1320, 15755654), (2153, 9659760), (2640, 7877827), (3659, 5683920), (4306, 4829880), (6459, 3219920), (7318, 2841960), (8612, 2414940), (10765, 1931952), (10977, 1894640), (12918, 1609960), (14636, 1420980), (17224, 1207470), (18295, 1136784), (21530, 965976), (21954, 947320), (23683, 878160), (25836, 804980), (29272, 710490), (32295, 643984), (34448, 603735), (36590, 568392), (40249, 516720), (43060, 482988), (43908, 473660), (47366, 439080), (51672, 402490), (54885, 378928), (58544, 355245), (64590, 321992), (71049, 292720), (73180, 284196), (80498, 258360), (86120, 241494), (87816, 236830), (94732, 219540), (103344, 201245), (109770, 189464), (118415, 175632), (120747, 172240), (129180, 160996), (142098, 146360)]