381540120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1867}}^1$

素因数の和:2025

約数の個数: 128

約数和(自身を含む): 1242743040

約数和(自身を除く): 861202920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 131, 156, 195, 260, 262, 312, 390, 393, 520, 524, 655, 780, 786, 1048, 1310, 1560, 1572, 1703, 1867, 1965, 2620, 3144, 3406, 3734, 3930, 5109, 5240, 5601, 6812, 7468, 7860, 8515, 9335, 10218, 11202, 13624, 14936, 15720, 17030, 18670, 20436, 22404, 24271, 25545, 28005, 34060, 37340, 40872, 44808, 48542, 51090, 56010, 68120, 72813, 74680, 97084, 102180, 112020, 121355, 145626, 194168, 204360, 224040, 242710, 244577, 291252, 364065, 485420, 489154, 582504, 728130, 733731, 970840, 978308, 1222885, 1456260, 1467462, 1956616, 2445770, 2912520, 2934924, 3179501, 3668655, 4891540, 5869848, 6359002, 7337310, 9538503, 9783080, 12718004, 14674620, 15897505, 19077006, 25436008, 29349240, 31795010, 38154012, 47692515, 63590020, 76308024, 95385030, 127180040, 190770060, 381540120]

約数ペア:

[(1, 381540120), (2, 190770060), (3, 127180040), (4, 95385030), (5, 76308024), (6, 63590020), (8, 47692515), (10, 38154012), (12, 31795010), (13, 29349240), (15, 25436008), (20, 19077006), (24, 15897505), (26, 14674620), (30, 12718004), (39, 9783080), (40, 9538503), (52, 7337310), (60, 6359002), (65, 5869848), (78, 4891540), (104, 3668655), (120, 3179501), (130, 2934924), (131, 2912520), (156, 2445770), (195, 1956616), (260, 1467462), (262, 1456260), (312, 1222885), (390, 978308), (393, 970840), (520, 733731), (524, 728130), (655, 582504), (780, 489154), (786, 485420), (1048, 364065), (1310, 291252), (1560, 244577), (1572, 242710), (1703, 224040), (1867, 204360), (1965, 194168), (2620, 145626), (3144, 121355), (3406, 112020), (3734, 102180), (3930, 97084), (5109, 74680), (5240, 72813), (5601, 68120), (6812, 56010), (7468, 51090), (7860, 48542), (8515, 44808), (9335, 40872), (10218, 37340), (11202, 34060), (13624, 28005), (14936, 25545), (15720, 24271), (17030, 22404), (18670, 20436)]