21368048640

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2111}}^1$

素因数の和:2798

約数の個数: 176

約数和(自身を含む): 68480501760

約数和(自身を除く): 47112453120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 659, 768, 960, 1024, 1280, 1318, 1536, 1920, 1977, 2111, 2560, 2636, 3072, 3295, 3840, 3954, 4222, 5120, 5272, 6333, 6590, 7680, 7908, 8444, 9885, 10544, 10555, 12666, 13180, 15360, 15816, 16888, 19770, 21088, 21110, 25332, 26360, 31632, 31665, 33776, 39540, 42176, 42220, 50664, 52720, 63264, 63330, 67552, 79080, 84352, 84440, 101328, 105440, 126528, 126660, 135104, 158160, 168704, 168880, 202656, 210880, 253056, 253320, 270208, 316320, 337408, 337760, 405312, 421760, 506112, 506640, 540416, 632640, 674816, 675520, 810624, 843520, 1012224, 1013280, 1080832, 1265280, 1351040, 1391149, 1621248, 1687040, 2024448, 2026560, 2161664, 2530560, 2702080, 2782298, 3242496, 3374080, 4053120, 4173447, 5061120, 5404160, 5564596, 6484992, 6955745, 8106240, 8346894, 10122240, 10808320, 11129192, 13911490, 16212480, 16693788, 20867235, 22258384, 27822980, 32424960, 33387576, 41734470, 44516768, 55645960, 66775152, 83468940, 89033536, 111291920, 133550304, 166937880, 178067072, 222583840, 267100608, 333875760, 356134144, 445167680, 534201216, 667751520, 712268288, 890335360, 1068402432, 1335503040, 1424536576, 1780670720, 2136804864, 2671006080, 3561341440, 4273609728, 5342012160, 7122682880, 10684024320, 21368048640]

約数ペア:

[(1, 21368048640), (2, 10684024320), (3, 7122682880), (4, 5342012160), (5, 4273609728), (6, 3561341440), (8, 2671006080), (10, 2136804864), (12, 1780670720), (15, 1424536576), (16, 1335503040), (20, 1068402432), (24, 890335360), (30, 712268288), (32, 667751520), (40, 534201216), (48, 445167680), (60, 356134144), (64, 333875760), (80, 267100608), (96, 222583840), (120, 178067072), (128, 166937880), (160, 133550304), (192, 111291920), (240, 89033536), (256, 83468940), (320, 66775152), (384, 55645960), (480, 44516768), (512, 41734470), (640, 33387576), (659, 32424960), (768, 27822980), (960, 22258384), (1024, 20867235), (1280, 16693788), (1318, 16212480), (1536, 13911490), (1920, 11129192), (1977, 10808320), (2111, 10122240), (2560, 8346894), (2636, 8106240), (3072, 6955745), (3295, 6484992), (3840, 5564596), (3954, 5404160), (4222, 5061120), (5120, 4173447), (5272, 4053120), (6333, 3374080), (6590, 3242496), (7680, 2782298), (7908, 2702080), (8444, 2530560), (9885, 2161664), (10544, 2026560), (10555, 2024448), (12666, 1687040), (13180, 1621248), (15360, 1391149), (15816, 1351040), (16888, 1265280), (19770, 1080832), (21088, 1013280), (21110, 1012224), (25332, 843520), (26360, 810624), (31632, 675520), (31665, 674816), (33776, 632640), (39540, 540416), (42176, 506640), (42220, 506112), (50664, 421760), (52720, 405312), (63264, 337760), (63330, 337408), (67552, 316320), (79080, 270208), (84352, 253320), (84440, 253056), (101328, 210880), (105440, 202656), (126528, 168880), (126660, 168704), (135104, 158160)]