127841580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 403603200

約数和(自身を除く): 275761620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 83, 86, 90, 129, 166, 172, 180, 199, 215, 249, 258, 332, 387, 398, 415, 430, 498, 516, 597, 645, 747, 774, 796, 830, 860, 995, 996, 1194, 1245, 1290, 1494, 1548, 1660, 1791, 1935, 1990, 2388, 2490, 2580, 2985, 2988, 3569, 3582, 3735, 3870, 3980, 4980, 5970, 7138, 7164, 7470, 7740, 8557, 8955, 10707, 11940, 14276, 14940, 16517, 17114, 17845, 17910, 21414, 25671, 32121, 33034, 34228, 35690, 35820, 42785, 42828, 49551, 51342, 53535, 64242, 66068, 71380, 77013, 82585, 85570, 99102, 102684, 107070, 128355, 128484, 148653, 154026, 160605, 165170, 171140, 198204, 214140, 247755, 256710, 297306, 308052, 321210, 330340, 385065, 495510, 513420, 594612, 642420, 710231, 743265, 770130, 991020, 1420462, 1486530, 1540260, 2130693, 2840924, 2973060, 3551155, 4261386, 6392079, 7102310, 8522772, 10653465, 12784158, 14204620, 21306930, 25568316, 31960395, 42613860, 63920790, 127841580]

約数ペア:

[(1, 127841580), (2, 63920790), (3, 42613860), (4, 31960395), (5, 25568316), (6, 21306930), (9, 14204620), (10, 12784158), (12, 10653465), (15, 8522772), (18, 7102310), (20, 6392079), (30, 4261386), (36, 3551155), (43, 2973060), (45, 2840924), (60, 2130693), (83, 1540260), (86, 1486530), (90, 1420462), (129, 991020), (166, 770130), (172, 743265), (180, 710231), (199, 642420), (215, 594612), (249, 513420), (258, 495510), (332, 385065), (387, 330340), (398, 321210), (415, 308052), (430, 297306), (498, 256710), (516, 247755), (597, 214140), (645, 198204), (747, 171140), (774, 165170), (796, 160605), (830, 154026), (860, 148653), (995, 128484), (996, 128355), (1194, 107070), (1245, 102684), (1290, 99102), (1494, 85570), (1548, 82585), (1660, 77013), (1791, 71380), (1935, 66068), (1990, 64242), (2388, 53535), (2490, 51342), (2580, 49551), (2985, 42828), (2988, 42785), (3569, 35820), (3582, 35690), (3735, 34228), (3870, 33034), (3980, 32121), (4980, 25671), (5970, 21414), (7138, 17910), (7164, 17845), (7470, 17114), (7740, 16517), (8557, 14940), (8955, 14276), (10707, 11940)]