42810040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:669

約数の個数: 128

約数和(自身を含む): 124992000

約数和(自身を除く): 82181960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 619, 665, 728, 760, 910, 988, 1064, 1235, 1238, 1330, 1729, 1820, 1976, 2470, 2476, 2660, 3095, 3458, 3640, 4333, 4940, 4952, 5320, 6190, 6916, 8047, 8645, 8666, 9880, 11761, 12380, 13832, 16094, 17290, 17332, 21665, 23522, 24760, 32188, 34580, 34664, 40235, 43330, 47044, 56329, 58805, 64376, 69160, 80470, 82327, 86660, 94088, 112658, 117610, 152893, 160940, 164654, 173320, 225316, 235220, 281645, 305786, 321880, 329308, 411635, 450632, 470440, 563290, 611572, 658616, 764465, 823270, 1070251, 1126580, 1223144, 1528930, 1646540, 2140502, 2253160, 3057860, 3293080, 4281004, 5351255, 6115720, 8562008, 10702510, 21405020, 42810040]

約数ペア:

[(1, 42810040), (2, 21405020), (4, 10702510), (5, 8562008), (7, 6115720), (8, 5351255), (10, 4281004), (13, 3293080), (14, 3057860), (19, 2253160), (20, 2140502), (26, 1646540), (28, 1528930), (35, 1223144), (38, 1126580), (40, 1070251), (52, 823270), (56, 764465), (65, 658616), (70, 611572), (76, 563290), (91, 470440), (95, 450632), (104, 411635), (130, 329308), (133, 321880), (140, 305786), (152, 281645), (182, 235220), (190, 225316), (247, 173320), (260, 164654), (266, 160940), (280, 152893), (364, 117610), (380, 112658), (455, 94088), (494, 86660), (520, 82327), (532, 80470), (619, 69160), (665, 64376), (728, 58805), (760, 56329), (910, 47044), (988, 43330), (1064, 40235), (1235, 34664), (1238, 34580), (1330, 32188), (1729, 24760), (1820, 23522), (1976, 21665), (2470, 17332), (2476, 17290), (2660, 16094), (3095, 13832), (3458, 12380), (3640, 11761), (4333, 9880), (4940, 8666), (4952, 8645), (5320, 8047), (6190, 6916)]