71738680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 187790400

約数和(自身を除く): 116051720

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 53, 65, 76, 95, 104, 106, 130, 137, 152, 190, 212, 247, 260, 265, 274, 380, 424, 494, 520, 530, 548, 685, 689, 760, 988, 1007, 1060, 1096, 1235, 1370, 1378, 1781, 1976, 2014, 2120, 2470, 2603, 2740, 2756, 3445, 3562, 4028, 4940, 5035, 5206, 5480, 5512, 6890, 7124, 7261, 8056, 8905, 9880, 10070, 10412, 13015, 13091, 13780, 14248, 14522, 17810, 20140, 20824, 26030, 26182, 27560, 29044, 33839, 35620, 36305, 40280, 52060, 52364, 58088, 65455, 67678, 71240, 72610, 94393, 104120, 104728, 130910, 135356, 137959, 145220, 169195, 188786, 261820, 270712, 275918, 290440, 338390, 377572, 471965, 523640, 551836, 676780, 689795, 755144, 943930, 1103672, 1353560, 1379590, 1793467, 1887860, 2759180, 3586934, 3775720, 5518360, 7173868, 8967335, 14347736, 17934670, 35869340, 71738680]

約数ペア:

[(1, 71738680), (2, 35869340), (4, 17934670), (5, 14347736), (8, 8967335), (10, 7173868), (13, 5518360), (19, 3775720), (20, 3586934), (26, 2759180), (38, 1887860), (40, 1793467), (52, 1379590), (53, 1353560), (65, 1103672), (76, 943930), (95, 755144), (104, 689795), (106, 676780), (130, 551836), (137, 523640), (152, 471965), (190, 377572), (212, 338390), (247, 290440), (260, 275918), (265, 270712), (274, 261820), (380, 188786), (424, 169195), (494, 145220), (520, 137959), (530, 135356), (548, 130910), (685, 104728), (689, 104120), (760, 94393), (988, 72610), (1007, 71240), (1060, 67678), (1096, 65455), (1235, 58088), (1370, 52364), (1378, 52060), (1781, 40280), (1976, 36305), (2014, 35620), (2120, 33839), (2470, 29044), (2603, 27560), (2740, 26182), (2756, 26030), (3445, 20824), (3562, 20140), (4028, 17810), (4940, 14522), (5035, 14248), (5206, 13780), (5480, 13091), (5512, 13015), (6890, 10412), (7124, 10070), (7261, 9880), (8056, 8905)]