71990820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:482

約数の個数: 144

約数和(自身を含む): 241218432

約数和(自身を除く): 169227612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 103, 110, 132, 165, 180, 198, 206, 220, 309, 330, 353, 396, 412, 495, 515, 618, 660, 706, 927, 990, 1030, 1059, 1133, 1236, 1412, 1545, 1765, 1854, 1980, 2060, 2118, 2266, 3090, 3177, 3399, 3530, 3708, 3883, 4236, 4532, 4635, 5295, 5665, 6180, 6354, 6798, 7060, 7766, 9270, 10197, 10590, 11330, 11649, 12708, 13596, 15532, 15885, 16995, 18540, 19415, 20394, 21180, 22660, 23298, 31770, 33990, 34947, 36359, 38830, 40788, 46596, 50985, 58245, 63540, 67980, 69894, 72718, 77660, 101970, 109077, 116490, 139788, 145436, 174735, 181795, 203940, 218154, 232980, 327231, 349470, 363590, 399949, 436308, 545385, 654462, 698940, 727180, 799898, 1090770, 1199847, 1308924, 1599796, 1636155, 1999745, 2181540, 2399694, 3272310, 3599541, 3999490, 4799388, 5999235, 6544620, 7199082, 7998980, 11998470, 14398164, 17997705, 23996940, 35995410, 71990820]

約数ペア:

[(1, 71990820), (2, 35995410), (3, 23996940), (4, 17997705), (5, 14398164), (6, 11998470), (9, 7998980), (10, 7199082), (11, 6544620), (12, 5999235), (15, 4799388), (18, 3999490), (20, 3599541), (22, 3272310), (30, 2399694), (33, 2181540), (36, 1999745), (44, 1636155), (45, 1599796), (55, 1308924), (60, 1199847), (66, 1090770), (90, 799898), (99, 727180), (103, 698940), (110, 654462), (132, 545385), (165, 436308), (180, 399949), (198, 363590), (206, 349470), (220, 327231), (309, 232980), (330, 218154), (353, 203940), (396, 181795), (412, 174735), (495, 145436), (515, 139788), (618, 116490), (660, 109077), (706, 101970), (927, 77660), (990, 72718), (1030, 69894), (1059, 67980), (1133, 63540), (1236, 58245), (1412, 50985), (1545, 46596), (1765, 40788), (1854, 38830), (1980, 36359), (2060, 34947), (2118, 33990), (2266, 31770), (3090, 23298), (3177, 22660), (3399, 21180), (3530, 20394), (3708, 19415), (3883, 18540), (4236, 16995), (4532, 15885), (4635, 15532), (5295, 13596), (5665, 12708), (6180, 11649), (6354, 11330), (6798, 10590), (7060, 10197), (7766, 9270)]