72392220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 230630400

約数和(自身を除く): 158238180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 47, 60, 86, 90, 94, 129, 141, 172, 180, 188, 199, 215, 235, 258, 282, 387, 398, 423, 430, 470, 516, 564, 597, 645, 705, 774, 796, 846, 860, 940, 995, 1194, 1290, 1410, 1548, 1692, 1791, 1935, 1990, 2021, 2115, 2388, 2580, 2820, 2985, 3582, 3870, 3980, 4042, 4230, 5970, 6063, 7164, 7740, 8084, 8460, 8557, 8955, 9353, 10105, 11940, 12126, 17114, 17910, 18189, 18706, 20210, 24252, 25671, 28059, 30315, 34228, 35820, 36378, 37412, 40420, 42785, 46765, 51342, 56118, 60630, 72756, 77013, 84177, 85570, 90945, 93530, 102684, 112236, 121260, 128355, 140295, 154026, 168354, 171140, 181890, 187060, 256710, 280590, 308052, 336708, 363780, 385065, 402179, 420885, 513420, 561180, 770130, 804358, 841770, 1206537, 1540260, 1608716, 1683540, 2010895, 2413074, 3619611, 4021790, 4826148, 6032685, 7239222, 8043580, 12065370, 14478444, 18098055, 24130740, 36196110, 72392220]

約数ペア:

[(1, 72392220), (2, 36196110), (3, 24130740), (4, 18098055), (5, 14478444), (6, 12065370), (9, 8043580), (10, 7239222), (12, 6032685), (15, 4826148), (18, 4021790), (20, 3619611), (30, 2413074), (36, 2010895), (43, 1683540), (45, 1608716), (47, 1540260), (60, 1206537), (86, 841770), (90, 804358), (94, 770130), (129, 561180), (141, 513420), (172, 420885), (180, 402179), (188, 385065), (199, 363780), (215, 336708), (235, 308052), (258, 280590), (282, 256710), (387, 187060), (398, 181890), (423, 171140), (430, 168354), (470, 154026), (516, 140295), (564, 128355), (597, 121260), (645, 112236), (705, 102684), (774, 93530), (796, 90945), (846, 85570), (860, 84177), (940, 77013), (995, 72756), (1194, 60630), (1290, 56118), (1410, 51342), (1548, 46765), (1692, 42785), (1791, 40420), (1935, 37412), (1990, 36378), (2021, 35820), (2115, 34228), (2388, 30315), (2580, 28059), (2820, 25671), (2985, 24252), (3582, 20210), (3870, 18706), (3980, 18189), (4042, 17910), (4230, 17114), (5970, 12126), (6063, 11940), (7164, 10105), (7740, 9353), (8084, 8955), (8460, 8557)]