621421920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{8807}}^1$

素因数の和:8842

約数の個数: 216

約数和(自身を含む): 2467103184

約数和(自身を除く): 1845681264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3920, 4410, 4704, 5040, 5880, 7056, 7840, 8807, 8820, 10080, 11760, 14112, 17614, 17640, 23520, 26421, 35228, 35280, 44035, 52842, 61649, 70456, 70560, 79263, 88070, 105684, 123298, 132105, 140912, 158526, 176140, 184947, 211368, 246596, 264210, 281824, 308245, 317052, 352280, 369894, 396315, 422736, 431543, 493192, 528420, 554841, 616490, 634104, 704560, 739788, 792630, 845472, 863086, 924735, 986384, 1056840, 1109682, 1232980, 1268208, 1294629, 1409120, 1479576, 1585260, 1726172, 1849470, 1972768, 2113680, 2157715, 2219364, 2465960, 2536416, 2589258, 2774205, 2959152, 3170520, 3452344, 3698940, 3883887, 4227360, 4315430, 4438728, 4931920, 5178516, 5548410, 5918304, 6341040, 6473145, 6904688, 7397880, 7767774, 8630860, 8877456, 9863840, 10357032, 11096820, 12682080, 12946290, 13809376, 14795760, 15535548, 17261720, 17754912, 19419435, 20714064, 22193640, 25892580, 29591520, 31071096, 34523440, 38838870, 41428128, 44387280, 51785160, 62142192, 69046880, 77677740, 88774560, 103570320, 124284384, 155355480, 207140640, 310710960, 621421920]

約数ペア:

[(1, 621421920), (2, 310710960), (3, 207140640), (4, 155355480), (5, 124284384), (6, 103570320), (7, 88774560), (8, 77677740), (9, 69046880), (10, 62142192), (12, 51785160), (14, 44387280), (15, 41428128), (16, 38838870), (18, 34523440), (20, 31071096), (21, 29591520), (24, 25892580), (28, 22193640), (30, 20714064), (32, 19419435), (35, 17754912), (36, 17261720), (40, 15535548), (42, 14795760), (45, 13809376), (48, 12946290), (49, 12682080), (56, 11096820), (60, 10357032), (63, 9863840), (70, 8877456), (72, 8630860), (80, 7767774), (84, 7397880), (90, 6904688), (96, 6473145), (98, 6341040), (105, 5918304), (112, 5548410), (120, 5178516), (126, 4931920), (140, 4438728), (144, 4315430), (147, 4227360), (160, 3883887), (168, 3698940), (180, 3452344), (196, 3170520), (210, 2959152), (224, 2774205), (240, 2589258), (245, 2536416), (252, 2465960), (280, 2219364), (288, 2157715), (294, 2113680), (315, 1972768), (336, 1849470), (360, 1726172), (392, 1585260), (420, 1479576), (441, 1409120), (480, 1294629), (490, 1268208), (504, 1232980), (560, 1109682), (588, 1056840), (630, 986384), (672, 924735), (720, 863086), (735, 845472), (784, 792630), (840, 739788), (882, 704560), (980, 634104), (1008, 616490), (1120, 554841), (1176, 528420), (1260, 493192), (1440, 431543), (1470, 422736), (1568, 396315), (1680, 369894), (1764, 352280), (1960, 317052), (2016, 308245), (2205, 281824), (2352, 264210), (2520, 246596), (2940, 211368), (3360, 184947), (3528, 176140), (3920, 158526), (4410, 140912), (4704, 132105), (5040, 123298), (5880, 105684), (7056, 88070), (7840, 79263), (8807, 70560), (8820, 70456), (10080, 61649), (11760, 52842), (14112, 44035), (17614, 35280), (17640, 35228), (23520, 26421)]