640530618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 192

約数和(自身を含む): 1700020224

約数和(自身を除く): 1059489606

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 31, 39, 41, 42, 62, 71, 78, 82, 91, 93, 123, 142, 169, 182, 186, 213, 217, 246, 273, 287, 338, 403, 426, 434, 497, 507, 533, 546, 574, 651, 806, 861, 923, 994, 1014, 1066, 1183, 1209, 1271, 1302, 1491, 1599, 1722, 1846, 2201, 2366, 2418, 2542, 2769, 2821, 2911, 2982, 3198, 3549, 3731, 3813, 4402, 5239, 5538, 5642, 5822, 6461, 6603, 6929, 7098, 7462, 7626, 8463, 8733, 8897, 10478, 11193, 11999, 12922, 13206, 13858, 15407, 15717, 16523, 16926, 17466, 17794, 19383, 20377, 20787, 22386, 23998, 26691, 28613, 30814, 31434, 33046, 35997, 36673, 37843, 38766, 40754, 41574, 46221, 48503, 49569, 53382, 57226, 61131, 71994, 73346, 75686, 83993, 85839, 90241, 92442, 97006, 99138, 110019, 113529, 115661, 122262, 145509, 167986, 171678, 180482, 200291, 214799, 220038, 227058, 231322, 251979, 264901, 270723, 291018, 346983, 371969, 400582, 429598, 491959, 503958, 529802, 541446, 600873, 631687, 644397, 693966, 743938, 794703, 983918, 1115907, 1173133, 1201746, 1263374, 1288794, 1475877, 1503593, 1589406, 1895061, 2231814, 2346266, 2603783, 2951754, 3007186, 3443713, 3519399, 3790122, 4510779, 5207566, 6887426, 7038798, 7811349, 8211931, 9021558, 10331139, 15250729, 15622698, 16423862, 20662278, 24635793, 30501458, 45752187, 49271586, 91504374, 106755103, 213510206, 320265309, 640530618]

約数ペア:

[(1, 640530618), (2, 320265309), (3, 213510206), (6, 106755103), (7, 91504374), (13, 49271586), (14, 45752187), (21, 30501458), (26, 24635793), (31, 20662278), (39, 16423862), (41, 15622698), (42, 15250729), (62, 10331139), (71, 9021558), (78, 8211931), (82, 7811349), (91, 7038798), (93, 6887426), (123, 5207566), (142, 4510779), (169, 3790122), (182, 3519399), (186, 3443713), (213, 3007186), (217, 2951754), (246, 2603783), (273, 2346266), (287, 2231814), (338, 1895061), (403, 1589406), (426, 1503593), (434, 1475877), (497, 1288794), (507, 1263374), (533, 1201746), (546, 1173133), (574, 1115907), (651, 983918), (806, 794703), (861, 743938), (923, 693966), (994, 644397), (1014, 631687), (1066, 600873), (1183, 541446), (1209, 529802), (1271, 503958), (1302, 491959), (1491, 429598), (1599, 400582), (1722, 371969), (1846, 346983), (2201, 291018), (2366, 270723), (2418, 264901), (2542, 251979), (2769, 231322), (2821, 227058), (2911, 220038), (2982, 214799), (3198, 200291), (3549, 180482), (3731, 171678), (3813, 167986), (4402, 145509), (5239, 122262), (5538, 115661), (5642, 113529), (5822, 110019), (6461, 99138), (6603, 97006), (6929, 92442), (7098, 90241), (7462, 85839), (7626, 83993), (8463, 75686), (8733, 73346), (8897, 71994), (10478, 61131), (11193, 57226), (11999, 53382), (12922, 49569), (13206, 48503), (13858, 46221), (15407, 41574), (15717, 40754), (16523, 38766), (16926, 37843), (17466, 36673), (17794, 35997), (19383, 33046), (20377, 31434), (20787, 30814), (22386, 28613), (23998, 26691)]