168562520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 449971200

約数和(自身を除く): 281408680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 71, 122, 139, 140, 142, 244, 278, 280, 284, 305, 355, 427, 488, 497, 556, 568, 610, 695, 710, 854, 973, 994, 1112, 1220, 1390, 1420, 1708, 1946, 1988, 2135, 2440, 2485, 2780, 2840, 3416, 3892, 3976, 4270, 4331, 4865, 4970, 5560, 7784, 8479, 8540, 8662, 9730, 9869, 9940, 16958, 17080, 17324, 19460, 19738, 19880, 21655, 30317, 33916, 34648, 38920, 39476, 42395, 43310, 49345, 59353, 60634, 67832, 69083, 78952, 84790, 86620, 98690, 118706, 121268, 138166, 151585, 169580, 173240, 197380, 237412, 242536, 276332, 296765, 303170, 339160, 345415, 394760, 474824, 552664, 593530, 602009, 606340, 690830, 1187060, 1204018, 1212680, 1381660, 2374120, 2408036, 2763320, 3010045, 4214063, 4816072, 6020090, 8428126, 12040180, 16856252, 21070315, 24080360, 33712504, 42140630, 84281260, 168562520]

約数ペア:

[(1, 168562520), (2, 84281260), (4, 42140630), (5, 33712504), (7, 24080360), (8, 21070315), (10, 16856252), (14, 12040180), (20, 8428126), (28, 6020090), (35, 4816072), (40, 4214063), (56, 3010045), (61, 2763320), (70, 2408036), (71, 2374120), (122, 1381660), (139, 1212680), (140, 1204018), (142, 1187060), (244, 690830), (278, 606340), (280, 602009), (284, 593530), (305, 552664), (355, 474824), (427, 394760), (488, 345415), (497, 339160), (556, 303170), (568, 296765), (610, 276332), (695, 242536), (710, 237412), (854, 197380), (973, 173240), (994, 169580), (1112, 151585), (1220, 138166), (1390, 121268), (1420, 118706), (1708, 98690), (1946, 86620), (1988, 84790), (2135, 78952), (2440, 69083), (2485, 67832), (2780, 60634), (2840, 59353), (3416, 49345), (3892, 43310), (3976, 42395), (4270, 39476), (4331, 38920), (4865, 34648), (4970, 33916), (5560, 30317), (7784, 21655), (8479, 19880), (8540, 19738), (8662, 19460), (9730, 17324), (9869, 17080), (9940, 16958)]