7542920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 128

約数和(自身を含む): 22118400

約数和(自身を除く): 14575480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 79, 88, 110, 124, 140, 154, 155, 158, 217, 220, 248, 280, 308, 310, 316, 341, 385, 395, 434, 440, 553, 616, 620, 632, 682, 770, 790, 868, 869, 1085, 1106, 1240, 1364, 1540, 1580, 1705, 1736, 1738, 2170, 2212, 2387, 2449, 2728, 2765, 3080, 3160, 3410, 3476, 4340, 4345, 4424, 4774, 4898, 5530, 6083, 6820, 6952, 8680, 8690, 9548, 9796, 11060, 11935, 12166, 12245, 13640, 17143, 17380, 19096, 19592, 22120, 23870, 24332, 24490, 26939, 30415, 34286, 34760, 47740, 48664, 48980, 53878, 60830, 68572, 85715, 95480, 97960, 107756, 121660, 134695, 137144, 171430, 188573, 215512, 243320, 269390, 342860, 377146, 538780, 685720, 754292, 942865, 1077560, 1508584, 1885730, 3771460, 7542920]

約数ペア:

[(1, 7542920), (2, 3771460), (4, 1885730), (5, 1508584), (7, 1077560), (8, 942865), (10, 754292), (11, 685720), (14, 538780), (20, 377146), (22, 342860), (28, 269390), (31, 243320), (35, 215512), (40, 188573), (44, 171430), (55, 137144), (56, 134695), (62, 121660), (70, 107756), (77, 97960), (79, 95480), (88, 85715), (110, 68572), (124, 60830), (140, 53878), (154, 48980), (155, 48664), (158, 47740), (217, 34760), (220, 34286), (248, 30415), (280, 26939), (308, 24490), (310, 24332), (316, 23870), (341, 22120), (385, 19592), (395, 19096), (434, 17380), (440, 17143), (553, 13640), (616, 12245), (620, 12166), (632, 11935), (682, 11060), (770, 9796), (790, 9548), (868, 8690), (869, 8680), (1085, 6952), (1106, 6820), (1240, 6083), (1364, 5530), (1540, 4898), (1580, 4774), (1705, 4424), (1736, 4345), (1738, 4340), (2170, 3476), (2212, 3410), (2387, 3160), (2449, 3080), (2728, 2765)]