2698240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:73

約数の個数: 88

約数和(自身を含む): 7074432

約数和(自身を除く): 4376192

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 256, 272, 310, 320, 340, 496, 512, 527, 544, 620, 640, 680, 992, 1024, 1054, 1088, 1240, 1280, 1360, 1984, 2108, 2176, 2480, 2560, 2635, 2720, 3968, 4216, 4352, 4960, 5120, 5270, 5440, 7936, 8432, 8704, 9920, 10540, 10880, 15872, 16864, 17408, 19840, 21080, 21760, 31744, 33728, 39680, 42160, 43520, 67456, 79360, 84320, 87040, 134912, 158720, 168640, 269824, 337280, 539648, 674560, 1349120, 2698240]

約数ペア:

[(1, 2698240), (2, 1349120), (4, 674560), (5, 539648), (8, 337280), (10, 269824), (16, 168640), (17, 158720), (20, 134912), (31, 87040), (32, 84320), (34, 79360), (40, 67456), (62, 43520), (64, 42160), (68, 39680), (80, 33728), (85, 31744), (124, 21760), (128, 21080), (136, 19840), (155, 17408), (160, 16864), (170, 15872), (248, 10880), (256, 10540), (272, 9920), (310, 8704), (320, 8432), (340, 7936), (496, 5440), (512, 5270), (527, 5120), (544, 4960), (620, 4352), (640, 4216), (680, 3968), (992, 2720), (1024, 2635), (1054, 2560), (1088, 2480), (1240, 2176), (1280, 2108), (1360, 1984)]