157246880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:707

約数の個数: 144

約数和(自身を含む): 446777856

約数和(自身を除く): 289530976

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, 392, 434, 490, 496, 560, 620, 647, 784, 868, 980, 992, 1085, 1120, 1240, 1294, 1519, 1568, 1736, 1960, 2170, 2480, 2588, 3038, 3235, 3472, 3920, 4340, 4529, 4960, 5176, 6076, 6470, 6944, 7595, 7840, 8680, 9058, 10352, 12152, 12940, 15190, 17360, 18116, 20057, 20704, 22645, 24304, 25880, 30380, 31703, 34720, 36232, 40114, 45290, 48608, 51760, 60760, 63406, 72464, 80228, 90580, 100285, 103520, 121520, 126812, 140399, 144928, 158515, 160456, 181160, 200570, 243040, 253624, 280798, 317030, 320912, 362320, 401140, 507248, 561596, 634060, 641824, 701995, 724640, 802280, 982793, 1014496, 1123192, 1268120, 1403990, 1604560, 1965586, 2246384, 2536240, 2807980, 3209120, 3931172, 4492768, 4913965, 5072480, 5615960, 7862344, 9827930, 11231920, 15724688, 19655860, 22463840, 31449376, 39311720, 78623440, 157246880]

約数ペア:

[(1, 157246880), (2, 78623440), (4, 39311720), (5, 31449376), (7, 22463840), (8, 19655860), (10, 15724688), (14, 11231920), (16, 9827930), (20, 7862344), (28, 5615960), (31, 5072480), (32, 4913965), (35, 4492768), (40, 3931172), (49, 3209120), (56, 2807980), (62, 2536240), (70, 2246384), (80, 1965586), (98, 1604560), (112, 1403990), (124, 1268120), (140, 1123192), (155, 1014496), (160, 982793), (196, 802280), (217, 724640), (224, 701995), (245, 641824), (248, 634060), (280, 561596), (310, 507248), (392, 401140), (434, 362320), (490, 320912), (496, 317030), (560, 280798), (620, 253624), (647, 243040), (784, 200570), (868, 181160), (980, 160456), (992, 158515), (1085, 144928), (1120, 140399), (1240, 126812), (1294, 121520), (1519, 103520), (1568, 100285), (1736, 90580), (1960, 80228), (2170, 72464), (2480, 63406), (2588, 60760), (3038, 51760), (3235, 48608), (3472, 45290), (3920, 40114), (4340, 36232), (4529, 34720), (4960, 31703), (5176, 30380), (6076, 25880), (6470, 24304), (6944, 22645), (7595, 20704), (7840, 20057), (8680, 18116), (9058, 17360), (10352, 15190), (12152, 12940)]