688734080

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:772

約数の個数: 128

約数和(自身を含む): 1744934400

約数和(自身を除く): 1056200320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 71, 80, 92, 115, 128, 142, 160, 184, 230, 284, 320, 355, 368, 460, 568, 640, 659, 710, 736, 920, 1136, 1318, 1420, 1472, 1633, 1840, 2272, 2636, 2840, 2944, 3266, 3295, 3680, 4544, 5272, 5680, 6532, 6590, 7360, 8165, 9088, 10544, 11360, 13064, 13180, 14720, 15157, 16330, 21088, 22720, 26128, 26360, 30314, 32660, 42176, 45440, 46789, 52256, 52720, 60628, 65320, 75785, 84352, 93578, 104512, 105440, 121256, 130640, 151570, 187156, 209024, 210880, 233945, 242512, 261280, 303140, 374312, 421760, 467890, 485024, 522560, 606280, 748624, 935780, 970048, 1045120, 1076147, 1212560, 1497248, 1871560, 1940096, 2152294, 2425120, 2994496, 3743120, 4304588, 4850240, 5380735, 5988992, 7486240, 8609176, 9700480, 10761470, 14972480, 17218352, 21522940, 29944960, 34436704, 43045880, 68873408, 86091760, 137746816, 172183520, 344367040, 688734080]

約数ペア:

[(1, 688734080), (2, 344367040), (4, 172183520), (5, 137746816), (8, 86091760), (10, 68873408), (16, 43045880), (20, 34436704), (23, 29944960), (32, 21522940), (40, 17218352), (46, 14972480), (64, 10761470), (71, 9700480), (80, 8609176), (92, 7486240), (115, 5988992), (128, 5380735), (142, 4850240), (160, 4304588), (184, 3743120), (230, 2994496), (284, 2425120), (320, 2152294), (355, 1940096), (368, 1871560), (460, 1497248), (568, 1212560), (640, 1076147), (659, 1045120), (710, 970048), (736, 935780), (920, 748624), (1136, 606280), (1318, 522560), (1420, 485024), (1472, 467890), (1633, 421760), (1840, 374312), (2272, 303140), (2636, 261280), (2840, 242512), (2944, 233945), (3266, 210880), (3295, 209024), (3680, 187156), (4544, 151570), (5272, 130640), (5680, 121256), (6532, 105440), (6590, 104512), (7360, 93578), (8165, 84352), (9088, 75785), (10544, 65320), (11360, 60628), (13064, 52720), (13180, 52256), (14720, 46789), (15157, 45440), (16330, 42176), (21088, 32660), (22720, 30314), (26128, 26360)]