81017300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 224568960

約数和(自身を除く): 143551660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 29, 35, 50, 52, 58, 65, 70, 91, 100, 116, 130, 140, 145, 175, 182, 203, 260, 290, 307, 325, 350, 364, 377, 406, 455, 580, 614, 650, 700, 725, 754, 812, 910, 1015, 1228, 1300, 1450, 1508, 1535, 1820, 1885, 2030, 2149, 2275, 2639, 2900, 3070, 3770, 3991, 4060, 4298, 4550, 5075, 5278, 6140, 7540, 7675, 7982, 8596, 8903, 9100, 9425, 10150, 10556, 10745, 13195, 15350, 15964, 17806, 18850, 19955, 20300, 21490, 26390, 27937, 30700, 35612, 37700, 39910, 42980, 44515, 52780, 53725, 55874, 62321, 65975, 79820, 89030, 99775, 107450, 111748, 115739, 124642, 131950, 139685, 178060, 199550, 214900, 222575, 231478, 249284, 263900, 279370, 311605, 399100, 445150, 462956, 558740, 578695, 623210, 698425, 810173, 890300, 1157390, 1246420, 1396850, 1558025, 1620346, 2314780, 2793700, 2893475, 3116050, 3240692, 4050865, 5786950, 6232100, 8101730, 11573900, 16203460, 20254325, 40508650, 81017300]

約数ペア:

[(1, 81017300), (2, 40508650), (4, 20254325), (5, 16203460), (7, 11573900), (10, 8101730), (13, 6232100), (14, 5786950), (20, 4050865), (25, 3240692), (26, 3116050), (28, 2893475), (29, 2793700), (35, 2314780), (50, 1620346), (52, 1558025), (58, 1396850), (65, 1246420), (70, 1157390), (91, 890300), (100, 810173), (116, 698425), (130, 623210), (140, 578695), (145, 558740), (175, 462956), (182, 445150), (203, 399100), (260, 311605), (290, 279370), (307, 263900), (325, 249284), (350, 231478), (364, 222575), (377, 214900), (406, 199550), (455, 178060), (580, 139685), (614, 131950), (650, 124642), (700, 115739), (725, 111748), (754, 107450), (812, 99775), (910, 89030), (1015, 79820), (1228, 65975), (1300, 62321), (1450, 55874), (1508, 53725), (1535, 52780), (1820, 44515), (1885, 42980), (2030, 39910), (2149, 37700), (2275, 35612), (2639, 30700), (2900, 27937), (3070, 26390), (3770, 21490), (3991, 20300), (4060, 19955), (4298, 18850), (4550, 17806), (5075, 15964), (5278, 15350), (6140, 13195), (7540, 10745), (7675, 10556), (7982, 10150), (8596, 9425), (8903, 9100)]