291121920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{683}}^1$

素因数の和:747

約数の個数: 216

約数和(自身を含む): 1035989136

約数和(自身を除く): 744867216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 111, 120, 128, 144, 148, 160, 180, 185, 192, 222, 240, 256, 288, 296, 320, 333, 360, 370, 384, 444, 480, 555, 576, 592, 640, 666, 683, 720, 740, 768, 888, 960, 1110, 1152, 1184, 1280, 1332, 1366, 1440, 1480, 1665, 1776, 1920, 2049, 2220, 2304, 2368, 2664, 2732, 2880, 2960, 3330, 3415, 3552, 3840, 4098, 4440, 4736, 5328, 5464, 5760, 5920, 6147, 6660, 6830, 7104, 8196, 8880, 9472, 10245, 10656, 10928, 11520, 11840, 12294, 13320, 13660, 14208, 16392, 17760, 20490, 21312, 21856, 23680, 24588, 25271, 26640, 27320, 28416, 30735, 32784, 35520, 40980, 42624, 43712, 47360, 49176, 50542, 53280, 54640, 61470, 65568, 71040, 75813, 81960, 85248, 87424, 98352, 101084, 106560, 109280, 122940, 126355, 131136, 142080, 151626, 163920, 174848, 196704, 202168, 213120, 218560, 227439, 245880, 252710, 262272, 303252, 327840, 379065, 393408, 404336, 426240, 437120, 454878, 491760, 505420, 524544, 606504, 655680, 758130, 786816, 808672, 874240, 909756, 983520, 1010840, 1137195, 1213008, 1311360, 1516260, 1573632, 1617344, 1819512, 1967040, 2021680, 2274390, 2426016, 2622720, 3032520, 3234688, 3639024, 3934080, 4043360, 4548780, 4852032, 6065040, 6469376, 7278048, 7868160, 8086720, 9097560, 9704064, 12130080, 14556096, 16173440, 18195120, 19408128, 24260160, 29112192, 32346880, 36390240, 48520320, 58224384, 72780480, 97040640, 145560960, 291121920]

約数ペア:

[(1, 291121920), (2, 145560960), (3, 97040640), (4, 72780480), (5, 58224384), (6, 48520320), (8, 36390240), (9, 32346880), (10, 29112192), (12, 24260160), (15, 19408128), (16, 18195120), (18, 16173440), (20, 14556096), (24, 12130080), (30, 9704064), (32, 9097560), (36, 8086720), (37, 7868160), (40, 7278048), (45, 6469376), (48, 6065040), (60, 4852032), (64, 4548780), (72, 4043360), (74, 3934080), (80, 3639024), (90, 3234688), (96, 3032520), (111, 2622720), (120, 2426016), (128, 2274390), (144, 2021680), (148, 1967040), (160, 1819512), (180, 1617344), (185, 1573632), (192, 1516260), (222, 1311360), (240, 1213008), (256, 1137195), (288, 1010840), (296, 983520), (320, 909756), (333, 874240), (360, 808672), (370, 786816), (384, 758130), (444, 655680), (480, 606504), (555, 524544), (576, 505420), (592, 491760), (640, 454878), (666, 437120), (683, 426240), (720, 404336), (740, 393408), (768, 379065), (888, 327840), (960, 303252), (1110, 262272), (1152, 252710), (1184, 245880), (1280, 227439), (1332, 218560), (1366, 213120), (1440, 202168), (1480, 196704), (1665, 174848), (1776, 163920), (1920, 151626), (2049, 142080), (2220, 131136), (2304, 126355), (2368, 122940), (2664, 109280), (2732, 106560), (2880, 101084), (2960, 98352), (3330, 87424), (3415, 85248), (3552, 81960), (3840, 75813), (4098, 71040), (4440, 65568), (4736, 61470), (5328, 54640), (5464, 53280), (5760, 50542), (5920, 49176), (6147, 47360), (6660, 43712), (6830, 42624), (7104, 40980), (8196, 35520), (8880, 32784), (9472, 30735), (10245, 28416), (10656, 27320), (10928, 26640), (11520, 25271), (11840, 24588), (12294, 23680), (13320, 21856), (13660, 21312), (14208, 20490), (16392, 17760)]