78638040

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1867}}^1$

素因数の和:1903

約数の個数: 160

約数和(自身を含む): 284795280

約数和(自身を除く): 206157240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 468, 520, 540, 585, 648, 702, 780, 810, 936, 1053, 1080, 1170, 1404, 1560, 1620, 1755, 1867, 2106, 2340, 2808, 3240, 3510, 3734, 4212, 4680, 5265, 5601, 7020, 7468, 8424, 9335, 10530, 11202, 14040, 14936, 16803, 18670, 21060, 22404, 24271, 28005, 33606, 37340, 42120, 44808, 48542, 50409, 56010, 67212, 72813, 74680, 84015, 97084, 100818, 112020, 121355, 134424, 145626, 151227, 168030, 194168, 201636, 218439, 224040, 242710, 252045, 291252, 302454, 336060, 364065, 403272, 436878, 485420, 504090, 582504, 604908, 655317, 672120, 728130, 756135, 873756, 970840, 1008180, 1092195, 1209816, 1310634, 1456260, 1512270, 1747512, 1965951, 2016360, 2184390, 2621268, 2912520, 3024540, 3276585, 3931902, 4368780, 5242536, 6049080, 6553170, 7863804, 8737560, 9829755, 13106340, 15727608, 19659510, 26212680, 39319020, 78638040]

約数ペア:

[(1, 78638040), (2, 39319020), (3, 26212680), (4, 19659510), (5, 15727608), (6, 13106340), (8, 9829755), (9, 8737560), (10, 7863804), (12, 6553170), (13, 6049080), (15, 5242536), (18, 4368780), (20, 3931902), (24, 3276585), (26, 3024540), (27, 2912520), (30, 2621268), (36, 2184390), (39, 2016360), (40, 1965951), (45, 1747512), (52, 1512270), (54, 1456260), (60, 1310634), (65, 1209816), (72, 1092195), (78, 1008180), (81, 970840), (90, 873756), (104, 756135), (108, 728130), (117, 672120), (120, 655317), (130, 604908), (135, 582504), (156, 504090), (162, 485420), (180, 436878), (195, 403272), (216, 364065), (234, 336060), (260, 302454), (270, 291252), (312, 252045), (324, 242710), (351, 224040), (360, 218439), (390, 201636), (405, 194168), (468, 168030), (520, 151227), (540, 145626), (585, 134424), (648, 121355), (702, 112020), (780, 100818), (810, 97084), (936, 84015), (1053, 74680), (1080, 72813), (1170, 67212), (1404, 56010), (1560, 50409), (1620, 48542), (1755, 44808), (1867, 42120), (2106, 37340), (2340, 33606), (2808, 28005), (3240, 24271), (3510, 22404), (3734, 21060), (4212, 18670), (4680, 16803), (5265, 14936), (5601, 14040), (7020, 11202), (7468, 10530), (8424, 9335)]