490297440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:629

約数の個数: 192

約数和(自身を含む): 1632960000

約数和(自身を除く): 1142662560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 89, 92, 96, 115, 120, 138, 160, 178, 184, 230, 240, 267, 276, 345, 356, 368, 445, 460, 480, 499, 534, 552, 690, 712, 736, 890, 920, 998, 1068, 1104, 1335, 1380, 1424, 1497, 1780, 1840, 1996, 2047, 2136, 2208, 2495, 2670, 2760, 2848, 2994, 3560, 3680, 3992, 4094, 4272, 4990, 5340, 5520, 5988, 6141, 7120, 7485, 7984, 8188, 8544, 9980, 10235, 10680, 11040, 11477, 11976, 12282, 14240, 14970, 15968, 16376, 19960, 20470, 21360, 22954, 23952, 24564, 29940, 30705, 32752, 34431, 39920, 40940, 42720, 44411, 45908, 47904, 49128, 57385, 59880, 61410, 65504, 68862, 79840, 81880, 88822, 91816, 98256, 114770, 119760, 122820, 133233, 137724, 163760, 172155, 177644, 183632, 196512, 222055, 229540, 239520, 245640, 266466, 275448, 327520, 344310, 355288, 367264, 444110, 459080, 491280, 532932, 550896, 666165, 688620, 710576, 888220, 918160, 982560, 1021453, 1065864, 1101792, 1332330, 1377240, 1421152, 1776440, 1836320, 2042906, 2131728, 2664660, 2754480, 3064359, 3552880, 4085812, 4263456, 5107265, 5329320, 5508960, 6128718, 7105760, 8171624, 10214530, 10658640, 12257436, 15321795, 16343248, 20429060, 21317280, 24514872, 30643590, 32686496, 40858120, 49029744, 61287180, 81716240, 98059488, 122574360, 163432480, 245148720, 490297440]

約数ペア:

[(1, 490297440), (2, 245148720), (3, 163432480), (4, 122574360), (5, 98059488), (6, 81716240), (8, 61287180), (10, 49029744), (12, 40858120), (15, 32686496), (16, 30643590), (20, 24514872), (23, 21317280), (24, 20429060), (30, 16343248), (32, 15321795), (40, 12257436), (46, 10658640), (48, 10214530), (60, 8171624), (69, 7105760), (80, 6128718), (89, 5508960), (92, 5329320), (96, 5107265), (115, 4263456), (120, 4085812), (138, 3552880), (160, 3064359), (178, 2754480), (184, 2664660), (230, 2131728), (240, 2042906), (267, 1836320), (276, 1776440), (345, 1421152), (356, 1377240), (368, 1332330), (445, 1101792), (460, 1065864), (480, 1021453), (499, 982560), (534, 918160), (552, 888220), (690, 710576), (712, 688620), (736, 666165), (890, 550896), (920, 532932), (998, 491280), (1068, 459080), (1104, 444110), (1335, 367264), (1380, 355288), (1424, 344310), (1497, 327520), (1780, 275448), (1840, 266466), (1996, 245640), (2047, 239520), (2136, 229540), (2208, 222055), (2495, 196512), (2670, 183632), (2760, 177644), (2848, 172155), (2994, 163760), (3560, 137724), (3680, 133233), (3992, 122820), (4094, 119760), (4272, 114770), (4990, 98256), (5340, 91816), (5520, 88822), (5988, 81880), (6141, 79840), (7120, 68862), (7485, 65504), (7984, 61410), (8188, 59880), (8544, 57385), (9980, 49128), (10235, 47904), (10680, 45908), (11040, 44411), (11477, 42720), (11976, 40940), (12282, 39920), (14240, 34431), (14970, 32752), (15968, 30705), (16376, 29940), (19960, 24564), (20470, 23952), (21360, 22954)]