1867663520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:631

約数の個数: 192

約数和(自身を含む): 4996857600

約数和(自身を除く): 3129194080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 71, 76, 80, 85, 95, 136, 142, 152, 160, 170, 190, 272, 284, 304, 323, 340, 355, 380, 509, 544, 568, 608, 646, 680, 710, 760, 1018, 1136, 1207, 1292, 1349, 1360, 1420, 1520, 1615, 2036, 2272, 2414, 2545, 2584, 2698, 2720, 2840, 3040, 3230, 4072, 4828, 5090, 5168, 5396, 5680, 6035, 6460, 6745, 8144, 8653, 9656, 9671, 10180, 10336, 10792, 11360, 12070, 12920, 13490, 16288, 17306, 19312, 19342, 20360, 21584, 22933, 24140, 25840, 26980, 34612, 36139, 38624, 38684, 40720, 43168, 43265, 45866, 48280, 48355, 51680, 53960, 69224, 72278, 77368, 81440, 86530, 91732, 96560, 96710, 107920, 114665, 138448, 144556, 154736, 164407, 173060, 180695, 183464, 193120, 193420, 215840, 229330, 276896, 289112, 309472, 328814, 346120, 361390, 366928, 386840, 458660, 578224, 614363, 657628, 686641, 692240, 722780, 733856, 773680, 822035, 917320, 1156448, 1228726, 1315256, 1373282, 1384480, 1445560, 1547360, 1644070, 1834640, 2457452, 2630512, 2746564, 2891120, 3071815, 3288140, 3433205, 3669280, 4914904, 5261024, 5493128, 5782240, 6143630, 6576280, 6866410, 9829808, 10986256, 11672897, 12287260, 13152560, 13732820, 19659616, 21972512, 23345794, 24574520, 26305120, 27465640, 46691588, 49149040, 54931280, 58364485, 93383176, 98298080, 109862560, 116728970, 186766352, 233457940, 373532704, 466915880, 933831760, 1867663520]

約数ペア:

[(1, 1867663520), (2, 933831760), (4, 466915880), (5, 373532704), (8, 233457940), (10, 186766352), (16, 116728970), (17, 109862560), (19, 98298080), (20, 93383176), (32, 58364485), (34, 54931280), (38, 49149040), (40, 46691588), (68, 27465640), (71, 26305120), (76, 24574520), (80, 23345794), (85, 21972512), (95, 19659616), (136, 13732820), (142, 13152560), (152, 12287260), (160, 11672897), (170, 10986256), (190, 9829808), (272, 6866410), (284, 6576280), (304, 6143630), (323, 5782240), (340, 5493128), (355, 5261024), (380, 4914904), (509, 3669280), (544, 3433205), (568, 3288140), (608, 3071815), (646, 2891120), (680, 2746564), (710, 2630512), (760, 2457452), (1018, 1834640), (1136, 1644070), (1207, 1547360), (1292, 1445560), (1349, 1384480), (1360, 1373282), (1420, 1315256), (1520, 1228726), (1615, 1156448), (2036, 917320), (2272, 822035), (2414, 773680), (2545, 733856), (2584, 722780), (2698, 692240), (2720, 686641), (2840, 657628), (3040, 614363), (3230, 578224), (4072, 458660), (4828, 386840), (5090, 366928), (5168, 361390), (5396, 346120), (5680, 328814), (6035, 309472), (6460, 289112), (6745, 276896), (8144, 229330), (8653, 215840), (9656, 193420), (9671, 193120), (10180, 183464), (10336, 180695), (10792, 173060), (11360, 164407), (12070, 154736), (12920, 144556), (13490, 138448), (16288, 114665), (17306, 107920), (19312, 96710), (19342, 96560), (20360, 91732), (21584, 86530), (22933, 81440), (24140, 77368), (25840, 72278), (26980, 69224), (34612, 53960), (36139, 51680), (38624, 48355), (38684, 48280), (40720, 45866), (43168, 43265)]