78606990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 256

約数和(自身を含む): 276480000

約数和(自身を除く): 197873010

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 19, 21, 22, 27, 30, 33, 35, 38, 42, 45, 54, 55, 57, 63, 66, 70, 77, 90, 95, 99, 105, 110, 114, 126, 133, 135, 154, 165, 171, 189, 190, 198, 199, 209, 210, 231, 266, 270, 285, 297, 315, 330, 342, 378, 385, 398, 399, 418, 462, 495, 513, 570, 594, 597, 627, 630, 665, 693, 770, 798, 855, 945, 990, 995, 1026, 1045, 1155, 1194, 1197, 1254, 1330, 1386, 1393, 1463, 1485, 1710, 1791, 1881, 1890, 1990, 1995, 2079, 2090, 2189, 2310, 2394, 2565, 2786, 2926, 2970, 2985, 3135, 3465, 3582, 3591, 3762, 3781, 3990, 4158, 4179, 4378, 4389, 5130, 5373, 5643, 5970, 5985, 6270, 6567, 6930, 6965, 7182, 7315, 7562, 8358, 8778, 8955, 9405, 10395, 10746, 10945, 11286, 11343, 11970, 12537, 13134, 13167, 13930, 14630, 15323, 17910, 17955, 18810, 18905, 19701, 20790, 20895, 21890, 21945, 22686, 25074, 26334, 26467, 26865, 28215, 30646, 32835, 34029, 35910, 37611, 37810, 39402, 39501, 41591, 41790, 43890, 45969, 52934, 53730, 56430, 56715, 59103, 62685, 65670, 65835, 68058, 75222, 76615, 79002, 79401, 83182, 91938, 98505, 102087, 113430, 118206, 124773, 125370, 131670, 132335, 137907, 153230, 158802, 170145, 188055, 197010, 197505, 204174, 207955, 229845, 238203, 249546, 264670, 275814, 291137, 295515, 340290, 374319, 376110, 395010, 397005, 413721, 415910, 459690, 476406, 510435, 582274, 591030, 623865, 689535, 714609, 748638, 794010, 827442, 873411, 1020870, 1122957, 1191015, 1247730, 1379070, 1429218, 1455685, 1746822, 1871595, 2068605, 2245914, 2382030, 2620233, 2911370, 3573045, 3743190, 4137210, 4367055, 5240466, 5614785, 7146090, 7860699, 8734110, 11229570, 13101165, 15721398, 26202330, 39303495, 78606990]

約数ペア:

[(1, 78606990), (2, 39303495), (3, 26202330), (5, 15721398), (6, 13101165), (7, 11229570), (9, 8734110), (10, 7860699), (11, 7146090), (14, 5614785), (15, 5240466), (18, 4367055), (19, 4137210), (21, 3743190), (22, 3573045), (27, 2911370), (30, 2620233), (33, 2382030), (35, 2245914), (38, 2068605), (42, 1871595), (45, 1746822), (54, 1455685), (55, 1429218), (57, 1379070), (63, 1247730), (66, 1191015), (70, 1122957), (77, 1020870), (90, 873411), (95, 827442), (99, 794010), (105, 748638), (110, 714609), (114, 689535), (126, 623865), (133, 591030), (135, 582274), (154, 510435), (165, 476406), (171, 459690), (189, 415910), (190, 413721), (198, 397005), (199, 395010), (209, 376110), (210, 374319), (231, 340290), (266, 295515), (270, 291137), (285, 275814), (297, 264670), (315, 249546), (330, 238203), (342, 229845), (378, 207955), (385, 204174), (398, 197505), (399, 197010), (418, 188055), (462, 170145), (495, 158802), (513, 153230), (570, 137907), (594, 132335), (597, 131670), (627, 125370), (630, 124773), (665, 118206), (693, 113430), (770, 102087), (798, 98505), (855, 91938), (945, 83182), (990, 79401), (995, 79002), (1026, 76615), (1045, 75222), (1155, 68058), (1194, 65835), (1197, 65670), (1254, 62685), (1330, 59103), (1386, 56715), (1393, 56430), (1463, 53730), (1485, 52934), (1710, 45969), (1791, 43890), (1881, 41790), (1890, 41591), (1990, 39501), (1995, 39402), (2079, 37810), (2090, 37611), (2189, 35910), (2310, 34029), (2394, 32835), (2565, 30646), (2786, 28215), (2926, 26865), (2970, 26467), (2985, 26334), (3135, 25074), (3465, 22686), (3582, 21945), (3591, 21890), (3762, 20895), (3781, 20790), (3990, 19701), (4158, 18905), (4179, 18810), (4378, 17955), (4389, 17910), (5130, 15323), (5373, 14630), (5643, 13930), (5970, 13167), (5985, 13134), (6270, 12537), (6567, 11970), (6930, 11343), (6965, 11286), (7182, 10945), (7315, 10746), (7562, 10395), (8358, 9405), (8778, 8955)]