68919200

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:455

約数の個数: 144

約数和(自身を含む): 198987264

約数和(自身を除く): 130068064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 160, 175, 200, 217, 224, 248, 280, 310, 350, 397, 400, 434, 496, 560, 620, 700, 775, 794, 800, 868, 992, 1085, 1120, 1240, 1400, 1550, 1588, 1736, 1985, 2170, 2480, 2779, 2800, 3100, 3176, 3472, 3970, 4340, 4960, 5425, 5558, 5600, 6200, 6352, 6944, 7940, 8680, 9925, 10850, 11116, 12307, 12400, 12704, 13895, 15880, 17360, 19850, 21700, 22232, 24614, 24800, 27790, 31760, 34720, 39700, 43400, 44464, 49228, 55580, 61535, 63520, 69475, 79400, 86149, 86800, 88928, 98456, 111160, 123070, 138950, 158800, 172298, 173600, 196912, 222320, 246140, 277900, 307675, 317600, 344596, 393824, 430745, 444640, 492280, 555800, 615350, 689192, 861490, 984560, 1111600, 1230700, 1378384, 1722980, 1969120, 2153725, 2223200, 2461400, 2756768, 3445960, 4307450, 4922800, 6891920, 8614900, 9845600, 13783840, 17229800, 34459600, 68919200]

約数ペア:

[(1, 68919200), (2, 34459600), (4, 17229800), (5, 13783840), (7, 9845600), (8, 8614900), (10, 6891920), (14, 4922800), (16, 4307450), (20, 3445960), (25, 2756768), (28, 2461400), (31, 2223200), (32, 2153725), (35, 1969120), (40, 1722980), (50, 1378384), (56, 1230700), (62, 1111600), (70, 984560), (80, 861490), (100, 689192), (112, 615350), (124, 555800), (140, 492280), (155, 444640), (160, 430745), (175, 393824), (200, 344596), (217, 317600), (224, 307675), (248, 277900), (280, 246140), (310, 222320), (350, 196912), (397, 173600), (400, 172298), (434, 158800), (496, 138950), (560, 123070), (620, 111160), (700, 98456), (775, 88928), (794, 86800), (800, 86149), (868, 79400), (992, 69475), (1085, 63520), (1120, 61535), (1240, 55580), (1400, 49228), (1550, 44464), (1588, 43400), (1736, 39700), (1985, 34720), (2170, 31760), (2480, 27790), (2779, 24800), (2800, 24614), (3100, 22232), (3176, 21700), (3472, 19850), (3970, 17360), (4340, 15880), (4960, 13895), (5425, 12704), (5558, 12400), (5600, 12307), (6200, 11116), (6352, 10850), (6944, 9925), (7940, 8680)]