178880520

素因数分解:

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

素因数の和:16415

約数の個数: 128

約数和(自身を含む): 660522240

約数和(自身を除く): 481641720

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, 10920, 16381, 32762, 49143, 65524, 81905, 98286, 114667, 131048, 163810, 196572, 212953, 229334, 245715, 327620, 344001, 393144, 425906, 458668, 491430, 573335, 638859, 655240, 688002, 851812, 917336, 982860, 1064765, 1146670, 1277718, 1376004, 1490671, 1703624, 1720005, 1965720, 2129530, 2293340, 2555436, 2752008, 2981342, 3194295, 3440010, 4259060, 4472013, 4586680, 5110872, 5962684, 6388590, 6880020, 7453355, 8518120, 8944026, 11925368, 12777180, 13760040, 14906710, 17888052, 22360065, 25554360, 29813420, 35776104, 44720130, 59626840, 89440260, 178880520]

約数ペア:

[(1, 178880520), (2, 89440260), (3, 59626840), (4, 44720130), (5, 35776104), (6, 29813420), (7, 25554360), (8, 22360065), (10, 17888052), (12, 14906710), (13, 13760040), (14, 12777180), (15, 11925368), (20, 8944026), (21, 8518120), (24, 7453355), (26, 6880020), (28, 6388590), (30, 5962684), (35, 5110872), (39, 4586680), (40, 4472013), (42, 4259060), (52, 3440010), (56, 3194295), (60, 2981342), (65, 2752008), (70, 2555436), (78, 2293340), (84, 2129530), (91, 1965720), (104, 1720005), (105, 1703624), (120, 1490671), (130, 1376004), (140, 1277718), (156, 1146670), (168, 1064765), (182, 982860), (195, 917336), (210, 851812), (260, 688002), (273, 655240), (280, 638859), (312, 573335), (364, 491430), (390, 458668), (420, 425906), (455, 393144), (520, 344001), (546, 327620), (728, 245715), (780, 229334), (840, 212953), (910, 196572), (1092, 163810), (1365, 131048), (1560, 114667), (1820, 98286), (2184, 81905), (2730, 65524), (3640, 49143), (5460, 32762), (10920, 16381)]