268320780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16381}}^1$

素因数の和:16416

約数の個数: 144

約数和(自身を含む): 1001792064

約数和(自身を除く): 733471284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 16381, 32762, 49143, 65524, 81905, 98286, 114667, 147429, 163810, 196572, 212953, 229334, 245715, 294858, 327620, 344001, 425906, 458668, 491430, 573335, 589716, 638859, 688002, 737145, 851812, 982860, 1032003, 1064765, 1146670, 1277718, 1376004, 1474290, 1490671, 1720005, 1916577, 2064006, 2129530, 2293340, 2555436, 2948580, 2981342, 3194295, 3440010, 3833154, 4128012, 4259060, 4472013, 5160015, 5962684, 6388590, 6880020, 7453355, 7666308, 8944026, 9582885, 10320030, 12777180, 13416039, 14906710, 17888052, 19165770, 20640060, 22360065, 26832078, 29813420, 38331540, 44720130, 53664156, 67080195, 89440260, 134160390, 268320780]

約数ペア:

[(1, 268320780), (2, 134160390), (3, 89440260), (4, 67080195), (5, 53664156), (6, 44720130), (7, 38331540), (9, 29813420), (10, 26832078), (12, 22360065), (13, 20640060), (14, 19165770), (15, 17888052), (18, 14906710), (20, 13416039), (21, 12777180), (26, 10320030), (28, 9582885), (30, 8944026), (35, 7666308), (36, 7453355), (39, 6880020), (42, 6388590), (45, 5962684), (52, 5160015), (60, 4472013), (63, 4259060), (65, 4128012), (70, 3833154), (78, 3440010), (84, 3194295), (90, 2981342), (91, 2948580), (105, 2555436), (117, 2293340), (126, 2129530), (130, 2064006), (140, 1916577), (156, 1720005), (180, 1490671), (182, 1474290), (195, 1376004), (210, 1277718), (234, 1146670), (252, 1064765), (260, 1032003), (273, 982860), (315, 851812), (364, 737145), (390, 688002), (420, 638859), (455, 589716), (468, 573335), (546, 491430), (585, 458668), (630, 425906), (780, 344001), (819, 327620), (910, 294858), (1092, 245715), (1170, 229334), (1260, 212953), (1365, 196572), (1638, 163810), (1820, 147429), (2340, 114667), (2730, 98286), (3276, 81905), (4095, 65524), (5460, 49143), (8190, 32762), (16380, 16381)]