243423440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 160

約数和(自身を含む): 653291520

約数和(自身を除く): 409868080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 97, 104, 127, 130, 152, 190, 194, 208, 247, 254, 260, 304, 380, 388, 485, 494, 508, 520, 635, 760, 776, 970, 988, 1016, 1040, 1235, 1261, 1270, 1520, 1552, 1651, 1843, 1940, 1976, 2032, 2413, 2470, 2522, 2540, 3302, 3686, 3880, 3952, 4826, 4940, 5044, 5080, 6305, 6604, 7372, 7760, 8255, 9215, 9652, 9880, 10088, 10160, 12065, 12319, 12610, 13208, 14744, 16510, 18430, 19304, 19760, 20176, 23959, 24130, 24638, 25220, 26416, 29488, 31369, 33020, 36860, 38608, 47918, 48260, 49276, 50440, 61595, 62738, 66040, 73720, 95836, 96520, 98552, 100880, 119795, 123190, 125476, 132080, 147440, 156845, 160147, 191672, 193040, 197104, 234061, 239590, 246380, 250952, 313690, 320294, 383344, 468122, 479180, 492760, 501904, 627380, 640588, 800735, 936244, 958360, 985520, 1170305, 1254760, 1281176, 1601470, 1872488, 1916720, 2340610, 2509520, 2562352, 3042793, 3202940, 3744976, 4681220, 6085586, 6405880, 9362440, 12171172, 12811760, 15213965, 18724880, 24342344, 30427930, 48684688, 60855860, 121711720, 243423440]

約数ペア:

[(1, 243423440), (2, 121711720), (4, 60855860), (5, 48684688), (8, 30427930), (10, 24342344), (13, 18724880), (16, 15213965), (19, 12811760), (20, 12171172), (26, 9362440), (38, 6405880), (40, 6085586), (52, 4681220), (65, 3744976), (76, 3202940), (80, 3042793), (95, 2562352), (97, 2509520), (104, 2340610), (127, 1916720), (130, 1872488), (152, 1601470), (190, 1281176), (194, 1254760), (208, 1170305), (247, 985520), (254, 958360), (260, 936244), (304, 800735), (380, 640588), (388, 627380), (485, 501904), (494, 492760), (508, 479180), (520, 468122), (635, 383344), (760, 320294), (776, 313690), (970, 250952), (988, 246380), (1016, 239590), (1040, 234061), (1235, 197104), (1261, 193040), (1270, 191672), (1520, 160147), (1552, 156845), (1651, 147440), (1843, 132080), (1940, 125476), (1976, 123190), (2032, 119795), (2413, 100880), (2470, 98552), (2522, 96520), (2540, 95836), (3302, 73720), (3686, 66040), (3880, 62738), (3952, 61595), (4826, 50440), (4940, 49276), (5044, 48260), (5080, 47918), (6305, 38608), (6604, 36860), (7372, 33020), (7760, 31369), (8255, 29488), (9215, 26416), (9652, 25220), (9880, 24638), (10088, 24130), (10160, 23959), (12065, 20176), (12319, 19760), (12610, 19304), (13208, 18430), (14744, 16510)]