21252683520

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2791}}^1$

素因数の和:3479

約数の個数: 216

約数和(自身を含む): 73669700832

約数和(自身を除く): 52417017312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 661, 720, 768, 960, 1152, 1280, 1322, 1440, 1920, 1983, 2304, 2644, 2791, 2880, 3305, 3840, 3966, 5288, 5582, 5760, 5949, 6610, 7932, 8373, 9915, 10576, 11164, 11520, 11898, 13220, 13955, 15864, 16746, 19830, 21152, 22328, 23796, 25119, 26440, 27910, 29745, 31728, 33492, 39660, 41865, 42304, 44656, 47592, 50238, 52880, 55820, 59490, 63456, 66984, 79320, 83730, 84608, 89312, 95184, 100476, 105760, 111640, 118980, 125595, 126912, 133968, 158640, 167460, 169216, 178624, 190368, 200952, 211520, 223280, 237960, 251190, 253824, 267936, 317280, 334920, 357248, 380736, 401904, 423040, 446560, 475920, 502380, 507648, 535872, 634560, 669840, 714496, 761472, 803808, 846080, 893120, 951840, 1004760, 1071744, 1269120, 1339680, 1522944, 1607616, 1786240, 1844851, 1903680, 2009520, 2143488, 2538240, 2679360, 3215232, 3572480, 3689702, 3807360, 4019040, 5358720, 5534553, 6430464, 7379404, 7614720, 8038080, 9224255, 10717440, 11069106, 14758808, 16076160, 16603659, 18448510, 22138212, 27672765, 29517616, 32152320, 33207318, 36897020, 44276424, 55345530, 59035232, 66414636, 73794040, 83018295, 88552848, 110691060, 118070464, 132829272, 147588080, 166036590, 177105696, 221382120, 236140928, 265658544, 295176160, 332073180, 354211392, 442764240, 472281856, 531317088, 590352320, 664146360, 708422784, 885528480, 1062634176, 1180704640, 1328292720, 1416845568, 1771056960, 2125268352, 2361409280, 2656585440, 3542113920, 4250536704, 5313170880, 7084227840, 10626341760, 21252683520]

約数ペア:

[(1, 21252683520), (2, 10626341760), (3, 7084227840), (4, 5313170880), (5, 4250536704), (6, 3542113920), (8, 2656585440), (9, 2361409280), (10, 2125268352), (12, 1771056960), (15, 1416845568), (16, 1328292720), (18, 1180704640), (20, 1062634176), (24, 885528480), (30, 708422784), (32, 664146360), (36, 590352320), (40, 531317088), (45, 472281856), (48, 442764240), (60, 354211392), (64, 332073180), (72, 295176160), (80, 265658544), (90, 236140928), (96, 221382120), (120, 177105696), (128, 166036590), (144, 147588080), (160, 132829272), (180, 118070464), (192, 110691060), (240, 88552848), (256, 83018295), (288, 73794040), (320, 66414636), (360, 59035232), (384, 55345530), (480, 44276424), (576, 36897020), (640, 33207318), (661, 32152320), (720, 29517616), (768, 27672765), (960, 22138212), (1152, 18448510), (1280, 16603659), (1322, 16076160), (1440, 14758808), (1920, 11069106), (1983, 10717440), (2304, 9224255), (2644, 8038080), (2791, 7614720), (2880, 7379404), (3305, 6430464), (3840, 5534553), (3966, 5358720), (5288, 4019040), (5582, 3807360), (5760, 3689702), (5949, 3572480), (6610, 3215232), (7932, 2679360), (8373, 2538240), (9915, 2143488), (10576, 2009520), (11164, 1903680), (11520, 1844851), (11898, 1786240), (13220, 1607616), (13955, 1522944), (15864, 1339680), (16746, 1269120), (19830, 1071744), (21152, 1004760), (22328, 951840), (23796, 893120), (25119, 846080), (26440, 803808), (27910, 761472), (29745, 714496), (31728, 669840), (33492, 634560), (39660, 535872), (41865, 507648), (42304, 502380), (44656, 475920), (47592, 446560), (50238, 423040), (52880, 401904), (55820, 380736), (59490, 357248), (63456, 334920), (66984, 317280), (79320, 267936), (83730, 253824), (84608, 251190), (89312, 237960), (95184, 223280), (100476, 211520), (105760, 200952), (111640, 190368), (118980, 178624), (125595, 169216), (126912, 167460), (133968, 158640)]