39807720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 256

約数和(自身を含む): 145152000

約数和(自身を除く): 105344280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 31, 36, 40, 41, 45, 54, 58, 60, 62, 72, 82, 87, 90, 93, 108, 116, 120, 123, 124, 135, 145, 155, 164, 174, 180, 186, 205, 216, 232, 246, 248, 261, 270, 279, 290, 310, 328, 348, 360, 369, 372, 410, 435, 465, 492, 522, 540, 558, 580, 615, 620, 696, 738, 744, 783, 820, 837, 870, 899, 930, 984, 1044, 1080, 1107, 1116, 1160, 1189, 1230, 1240, 1271, 1305, 1395, 1476, 1566, 1640, 1674, 1740, 1798, 1845, 1860, 2088, 2214, 2232, 2378, 2460, 2542, 2610, 2697, 2790, 2952, 3132, 3348, 3480, 3567, 3596, 3690, 3720, 3813, 3915, 4185, 4428, 4495, 4756, 4920, 5084, 5220, 5394, 5535, 5580, 5945, 6264, 6355, 6696, 7134, 7192, 7380, 7626, 7830, 8091, 8370, 8856, 8990, 9512, 10168, 10440, 10701, 10788, 11070, 11160, 11439, 11890, 12710, 13485, 14268, 14760, 15252, 15660, 16182, 16740, 17835, 17980, 19065, 21402, 21576, 22140, 22878, 23780, 24273, 25420, 26970, 28536, 30504, 31320, 32103, 32364, 33480, 34317, 35670, 35960, 36859, 38130, 40455, 42804, 44280, 45756, 47560, 48546, 50840, 53505, 53940, 57195, 64206, 64728, 68634, 71340, 73718, 76260, 80910, 85608, 91512, 97092, 107010, 107880, 110577, 114390, 121365, 128412, 137268, 142680, 147436, 152520, 160515, 161820, 171585, 184295, 194184, 214020, 221154, 228780, 242730, 256824, 274536, 294872, 321030, 323640, 331731, 343170, 368590, 428040, 442308, 457560, 485460, 552885, 642060, 663462, 686340, 737180, 884616, 970920, 995193, 1105770, 1284120, 1326924, 1372680, 1474360, 1658655, 1990386, 2211540, 2653848, 3317310, 3980772, 4423080, 4975965, 6634620, 7961544, 9951930, 13269240, 19903860, 39807720]

約数ペア:

[(1, 39807720), (2, 19903860), (3, 13269240), (4, 9951930), (5, 7961544), (6, 6634620), (8, 4975965), (9, 4423080), (10, 3980772), (12, 3317310), (15, 2653848), (18, 2211540), (20, 1990386), (24, 1658655), (27, 1474360), (29, 1372680), (30, 1326924), (31, 1284120), (36, 1105770), (40, 995193), (41, 970920), (45, 884616), (54, 737180), (58, 686340), (60, 663462), (62, 642060), (72, 552885), (82, 485460), (87, 457560), (90, 442308), (93, 428040), (108, 368590), (116, 343170), (120, 331731), (123, 323640), (124, 321030), (135, 294872), (145, 274536), (155, 256824), (164, 242730), (174, 228780), (180, 221154), (186, 214020), (205, 194184), (216, 184295), (232, 171585), (246, 161820), (248, 160515), (261, 152520), (270, 147436), (279, 142680), (290, 137268), (310, 128412), (328, 121365), (348, 114390), (360, 110577), (369, 107880), (372, 107010), (410, 97092), (435, 91512), (465, 85608), (492, 80910), (522, 76260), (540, 73718), (558, 71340), (580, 68634), (615, 64728), (620, 64206), (696, 57195), (738, 53940), (744, 53505), (783, 50840), (820, 48546), (837, 47560), (870, 45756), (899, 44280), (930, 42804), (984, 40455), (1044, 38130), (1080, 36859), (1107, 35960), (1116, 35670), (1160, 34317), (1189, 33480), (1230, 32364), (1240, 32103), (1271, 31320), (1305, 30504), (1395, 28536), (1476, 26970), (1566, 25420), (1640, 24273), (1674, 23780), (1740, 22878), (1798, 22140), (1845, 21576), (1860, 21402), (2088, 19065), (2214, 17980), (2232, 17835), (2378, 16740), (2460, 16182), (2542, 15660), (2610, 15252), (2697, 14760), (2790, 14268), (2952, 13485), (3132, 12710), (3348, 11890), (3480, 11439), (3567, 11160), (3596, 11070), (3690, 10788), (3720, 10701), (3813, 10440), (3915, 10168), (4185, 9512), (4428, 8990), (4495, 8856), (4756, 8370), (4920, 8091), (5084, 7830), (5220, 7626), (5394, 7380), (5535, 7192), (5580, 7134), (5945, 6696), (6264, 6355)]