39287680

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 104431680

約数和(自身を除く): 65144000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 115, 128, 136, 157, 160, 170, 184, 230, 272, 314, 320, 340, 368, 391, 460, 544, 628, 640, 680, 736, 782, 785, 920, 1088, 1256, 1360, 1472, 1564, 1570, 1840, 1955, 2176, 2512, 2669, 2720, 2944, 3128, 3140, 3611, 3680, 3910, 5024, 5338, 5440, 6256, 6280, 7222, 7360, 7820, 10048, 10676, 10880, 12512, 12560, 13345, 14444, 14720, 15640, 18055, 20096, 21352, 25024, 25120, 26690, 28888, 31280, 36110, 42704, 50048, 50240, 53380, 57776, 61387, 62560, 72220, 85408, 100480, 106760, 115552, 122774, 125120, 144440, 170816, 213520, 231104, 245548, 250240, 288880, 306935, 341632, 427040, 462208, 491096, 577760, 613870, 854080, 982192, 1155520, 1227740, 1708160, 1964384, 2311040, 2455480, 3928768, 4910960, 7857536, 9821920, 19643840, 39287680]

約数ペア:

[(1, 39287680), (2, 19643840), (4, 9821920), (5, 7857536), (8, 4910960), (10, 3928768), (16, 2455480), (17, 2311040), (20, 1964384), (23, 1708160), (32, 1227740), (34, 1155520), (40, 982192), (46, 854080), (64, 613870), (68, 577760), (80, 491096), (85, 462208), (92, 427040), (115, 341632), (128, 306935), (136, 288880), (157, 250240), (160, 245548), (170, 231104), (184, 213520), (230, 170816), (272, 144440), (314, 125120), (320, 122774), (340, 115552), (368, 106760), (391, 100480), (460, 85408), (544, 72220), (628, 62560), (640, 61387), (680, 57776), (736, 53380), (782, 50240), (785, 50048), (920, 42704), (1088, 36110), (1256, 31280), (1360, 28888), (1472, 26690), (1564, 25120), (1570, 25024), (1840, 21352), (1955, 20096), (2176, 18055), (2512, 15640), (2669, 14720), (2720, 14444), (2944, 13345), (3128, 12560), (3140, 12512), (3611, 10880), (3680, 10676), (3910, 10048), (5024, 7820), (5338, 7360), (5440, 7222), (6256, 6280)]