78575360

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 209272896

約数和(自身を除く): 130697536

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, 256, 272, 314, 320, 340, 368, 391, 460, 544, 628, 640, 680, 736, 782, 785, 920, 1088, 1256, 1280, 1360, 1472, 1564, 1570, 1840, 1955, 2176, 2512, 2669, 2720, 2944, 3128, 3140, 3611, 3680, 3910, 4352, 5024, 5338, 5440, 5888, 6256, 6280, 7222, 7360, 7820, 10048, 10676, 10880, 12512, 12560, 13345, 14444, 14720, 15640, 18055, 20096, 21352, 21760, 25024, 25120, 26690, 28888, 29440, 31280, 36110, 40192, 42704, 50048, 50240, 53380, 57776, 61387, 62560, 72220, 85408, 100096, 100480, 106760, 115552, 122774, 125120, 144440, 170816, 200960, 213520, 231104, 245548, 250240, 288880, 306935, 341632, 427040, 462208, 491096, 500480, 577760, 613870, 683264, 854080, 924416, 982192, 1155520, 1227740, 1708160, 1964384, 2311040, 2455480, 3416320, 3928768, 4622080, 4910960, 7857536, 9821920, 15715072, 19643840, 39287680, 78575360]

約数ペア:

[(1, 78575360), (2, 39287680), (4, 19643840), (5, 15715072), (8, 9821920), (10, 7857536), (16, 4910960), (17, 4622080), (20, 3928768), (23, 3416320), (32, 2455480), (34, 2311040), (40, 1964384), (46, 1708160), (64, 1227740), (68, 1155520), (80, 982192), (85, 924416), (92, 854080), (115, 683264), (128, 613870), (136, 577760), (157, 500480), (160, 491096), (170, 462208), (184, 427040), (230, 341632), (256, 306935), (272, 288880), (314, 250240), (320, 245548), (340, 231104), (368, 213520), (391, 200960), (460, 170816), (544, 144440), (628, 125120), (640, 122774), (680, 115552), (736, 106760), (782, 100480), (785, 100096), (920, 85408), (1088, 72220), (1256, 62560), (1280, 61387), (1360, 57776), (1472, 53380), (1564, 50240), (1570, 50048), (1840, 42704), (1955, 40192), (2176, 36110), (2512, 31280), (2669, 29440), (2720, 28888), (2944, 26690), (3128, 25120), (3140, 25024), (3611, 21760), (3680, 21352), (3910, 20096), (4352, 18055), (5024, 15640), (5338, 14720), (5440, 14444), (5888, 13345), (6256, 12560), (6280, 12512), (7222, 10880), (7360, 10676), (7820, 10048)]