179710720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:706

約数の個数: 144

約数和(自身を含む): 508612608

約数和(自身を除く): 328901888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 560, 620, 640, 647, 868, 896, 992, 1085, 1120, 1240, 1280, 1294, 1736, 1792, 1984, 2170, 2240, 2480, 2588, 3235, 3472, 3968, 4340, 4480, 4529, 4960, 5176, 6470, 6944, 7936, 8680, 8960, 9058, 9920, 10352, 12940, 13888, 17360, 18116, 19840, 20057, 20704, 22645, 25880, 27776, 34720, 36232, 39680, 40114, 41408, 45290, 51760, 55552, 69440, 72464, 80228, 82816, 90580, 100285, 103520, 138880, 140399, 144928, 160456, 165632, 181160, 200570, 207040, 277760, 280798, 289856, 320912, 362320, 401140, 414080, 561596, 579712, 641824, 701995, 724640, 802280, 828160, 1123192, 1159424, 1283648, 1403990, 1449280, 1604560, 2246384, 2567296, 2807980, 2898560, 3209120, 4492768, 5134592, 5615960, 5797120, 6418240, 8985536, 11231920, 12836480, 17971072, 22463840, 25672960, 35942144, 44927680, 89855360, 179710720]

約数ペア:

[(1, 179710720), (2, 89855360), (4, 44927680), (5, 35942144), (7, 25672960), (8, 22463840), (10, 17971072), (14, 12836480), (16, 11231920), (20, 8985536), (28, 6418240), (31, 5797120), (32, 5615960), (35, 5134592), (40, 4492768), (56, 3209120), (62, 2898560), (64, 2807980), (70, 2567296), (80, 2246384), (112, 1604560), (124, 1449280), (128, 1403990), (140, 1283648), (155, 1159424), (160, 1123192), (217, 828160), (224, 802280), (248, 724640), (256, 701995), (280, 641824), (310, 579712), (320, 561596), (434, 414080), (448, 401140), (496, 362320), (560, 320912), (620, 289856), (640, 280798), (647, 277760), (868, 207040), (896, 200570), (992, 181160), (1085, 165632), (1120, 160456), (1240, 144928), (1280, 140399), (1294, 138880), (1736, 103520), (1792, 100285), (1984, 90580), (2170, 82816), (2240, 80228), (2480, 72464), (2588, 69440), (3235, 55552), (3472, 51760), (3968, 45290), (4340, 41408), (4480, 40114), (4529, 39680), (4960, 36232), (5176, 34720), (6470, 27776), (6944, 25880), (7936, 22645), (8680, 20704), (8960, 20057), (9058, 19840), (9920, 18116), (10352, 17360), (12940, 13888)]