89195680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:427

約数の個数: 144

約数和(自身を含む): 253725696

約数和(自身を除く): 164530016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 367, 392, 434, 490, 496, 560, 620, 734, 784, 868, 980, 992, 1085, 1120, 1240, 1468, 1519, 1568, 1736, 1835, 1960, 2170, 2480, 2569, 2936, 3038, 3472, 3670, 3920, 4340, 4960, 5138, 5872, 6076, 6944, 7340, 7595, 7840, 8680, 10276, 11377, 11744, 12152, 12845, 14680, 15190, 17360, 17983, 20552, 22754, 24304, 25690, 29360, 30380, 34720, 35966, 41104, 45508, 48608, 51380, 56885, 58720, 60760, 71932, 79639, 82208, 89915, 91016, 102760, 113770, 121520, 143864, 159278, 179830, 182032, 205520, 227540, 243040, 287728, 318556, 359660, 364064, 398195, 411040, 455080, 557473, 575456, 637112, 719320, 796390, 910160, 1114946, 1274224, 1438640, 1592780, 1820320, 2229892, 2548448, 2787365, 2877280, 3185560, 4459784, 5574730, 6371120, 8919568, 11149460, 12742240, 17839136, 22298920, 44597840, 89195680]

約数ペア:

[(1, 89195680), (2, 44597840), (4, 22298920), (5, 17839136), (7, 12742240), (8, 11149460), (10, 8919568), (14, 6371120), (16, 5574730), (20, 4459784), (28, 3185560), (31, 2877280), (32, 2787365), (35, 2548448), (40, 2229892), (49, 1820320), (56, 1592780), (62, 1438640), (70, 1274224), (80, 1114946), (98, 910160), (112, 796390), (124, 719320), (140, 637112), (155, 575456), (160, 557473), (196, 455080), (217, 411040), (224, 398195), (245, 364064), (248, 359660), (280, 318556), (310, 287728), (367, 243040), (392, 227540), (434, 205520), (490, 182032), (496, 179830), (560, 159278), (620, 143864), (734, 121520), (784, 113770), (868, 102760), (980, 91016), (992, 89915), (1085, 82208), (1120, 79639), (1240, 71932), (1468, 60760), (1519, 58720), (1568, 56885), (1736, 51380), (1835, 48608), (1960, 45508), (2170, 41104), (2480, 35966), (2569, 34720), (2936, 30380), (3038, 29360), (3472, 25690), (3670, 24304), (3920, 22754), (4340, 20552), (4960, 17983), (5138, 17360), (5872, 15190), (6076, 14680), (6944, 12845), (7340, 12152), (7595, 11744), (7840, 11377), (8680, 10276)]