71864520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6581}}^1$

素因数の和:6615

約数の個数: 128

約数和(自身を含む): 265386240

約数和(自身を除く): 193521720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 6581, 10920, 13162, 19743, 26324, 32905, 39486, 46067, 52648, 65810, 78972, 85553, 92134, 98715, 131620, 138201, 157944, 171106, 184268, 197430, 230335, 256659, 263240, 276402, 342212, 368536, 394860, 427765, 460670, 513318, 552804, 598871, 684424, 691005, 789720, 855530, 921340, 1026636, 1105608, 1197742, 1283295, 1382010, 1711060, 1796613, 1842680, 2053272, 2395484, 2566590, 2764020, 2994355, 3422120, 3593226, 4790968, 5133180, 5528040, 5988710, 7186452, 8983065, 10266360, 11977420, 14372904, 17966130, 23954840, 35932260, 71864520]

約数ペア:

[(1, 71864520), (2, 35932260), (3, 23954840), (4, 17966130), (5, 14372904), (6, 11977420), (7, 10266360), (8, 8983065), (10, 7186452), (12, 5988710), (13, 5528040), (14, 5133180), (15, 4790968), (20, 3593226), (21, 3422120), (24, 2994355), (26, 2764020), (28, 2566590), (30, 2395484), (35, 2053272), (39, 1842680), (40, 1796613), (42, 1711060), (52, 1382010), (56, 1283295), (60, 1197742), (65, 1105608), (70, 1026636), (78, 921340), (84, 855530), (91, 789720), (104, 691005), (105, 684424), (120, 598871), (130, 552804), (140, 513318), (156, 460670), (168, 427765), (182, 394860), (195, 368536), (210, 342212), (260, 276402), (273, 263240), (280, 256659), (312, 230335), (364, 197430), (390, 184268), (420, 171106), (455, 157944), (520, 138201), (546, 131620), (728, 98715), (780, 92134), (840, 85553), (910, 78972), (1092, 65810), (1365, 52648), (1560, 46067), (1820, 39486), (2184, 32905), (2730, 26324), (3640, 19743), (5460, 13162), (6581, 10920)]