72101120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:660

約数の個数: 144

約数和(自身を含む): 212903040

約数和(自身を除く): 140801920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 520, 560, 619, 640, 728, 832, 896, 910, 1040, 1120, 1238, 1280, 1456, 1664, 1792, 1820, 2080, 2240, 2476, 2912, 3095, 3328, 3640, 4160, 4333, 4480, 4952, 5824, 6190, 7280, 8047, 8320, 8666, 8960, 9904, 11648, 12380, 14560, 16094, 16640, 17332, 19808, 21665, 23296, 24760, 29120, 32188, 34664, 39616, 40235, 43330, 49520, 56329, 58240, 64376, 69328, 79232, 80470, 86660, 99040, 112658, 116480, 128752, 138656, 158464, 160940, 173320, 198080, 225316, 257504, 277312, 281645, 321880, 346640, 396160, 450632, 515008, 554624, 563290, 643760, 693280, 792320, 901264, 1030016, 1109248, 1126580, 1287520, 1386560, 1802528, 2060032, 2253160, 2575040, 2773120, 3605056, 4506320, 5150080, 5546240, 7210112, 9012640, 10300160, 14420224, 18025280, 36050560, 72101120]

約数ペア:

[(1, 72101120), (2, 36050560), (4, 18025280), (5, 14420224), (7, 10300160), (8, 9012640), (10, 7210112), (13, 5546240), (14, 5150080), (16, 4506320), (20, 3605056), (26, 2773120), (28, 2575040), (32, 2253160), (35, 2060032), (40, 1802528), (52, 1386560), (56, 1287520), (64, 1126580), (65, 1109248), (70, 1030016), (80, 901264), (91, 792320), (104, 693280), (112, 643760), (128, 563290), (130, 554624), (140, 515008), (160, 450632), (182, 396160), (208, 346640), (224, 321880), (256, 281645), (260, 277312), (280, 257504), (320, 225316), (364, 198080), (416, 173320), (448, 160940), (455, 158464), (520, 138656), (560, 128752), (619, 116480), (640, 112658), (728, 99040), (832, 86660), (896, 80470), (910, 79232), (1040, 69328), (1120, 64376), (1238, 58240), (1280, 56329), (1456, 49520), (1664, 43330), (1792, 40235), (1820, 39616), (2080, 34664), (2240, 32188), (2476, 29120), (2912, 24760), (3095, 23296), (3328, 21665), (3640, 19808), (4160, 17332), (4333, 16640), (4480, 16094), (4952, 14560), (5824, 12380), (6190, 11648), (7280, 9904), (8047, 8960), (8320, 8666)]