1427987200

素因数分解:

$2^8\times 5^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:247

約数の個数: 216

約数和(自身を含む): 3763821600

約数和(自身を除く): 2335834400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 89, 92, 100, 109, 115, 128, 160, 178, 184, 200, 218, 230, 256, 320, 356, 368, 400, 436, 445, 460, 545, 575, 640, 712, 736, 800, 872, 890, 920, 1090, 1150, 1280, 1424, 1472, 1600, 1744, 1780, 1840, 2047, 2180, 2225, 2300, 2507, 2725, 2848, 2944, 3200, 3488, 3560, 3680, 4094, 4360, 4450, 4600, 5014, 5450, 5696, 5888, 6400, 6976, 7120, 7360, 8188, 8720, 8900, 9200, 9701, 10028, 10235, 10900, 11392, 12535, 13952, 14240, 14720, 16376, 17440, 17800, 18400, 19402, 20056, 20470, 21800, 22784, 25070, 27904, 28480, 29440, 32752, 34880, 35600, 36800, 38804, 40112, 40940, 43600, 48505, 50140, 51175, 56960, 62675, 65504, 69760, 71200, 73600, 77608, 80224, 81880, 87200, 97010, 100280, 102350, 113920, 125350, 131008, 139520, 142400, 147200, 155216, 160448, 163760, 174400, 194020, 200560, 204700, 223123, 242525, 250700, 262016, 284800, 310432, 320896, 327520, 348800, 388040, 401120, 409400, 446246, 485050, 501400, 524032, 569600, 620864, 641792, 655040, 697600, 776080, 802240, 818800, 892492, 970100, 1002800, 1115615, 1241728, 1310080, 1552160, 1604480, 1637600, 1784984, 1940200, 2005600, 2231230, 2483456, 2620160, 3104320, 3208960, 3275200, 3569968, 3880400, 4011200, 4462460, 5578075, 6208640, 6550400, 7139936, 7760800, 8022400, 8924920, 11156150, 12417280, 13100800, 14279872, 15521600, 16044800, 17849840, 22312300, 28559744, 31043200, 35699680, 44624600, 57119488, 62086400, 71399360, 89249200, 142798720, 178498400, 285597440, 356996800, 713993600, 1427987200]

約数ペア:

[(1, 1427987200), (2, 713993600), (4, 356996800), (5, 285597440), (8, 178498400), (10, 142798720), (16, 89249200), (20, 71399360), (23, 62086400), (25, 57119488), (32, 44624600), (40, 35699680), (46, 31043200), (50, 28559744), (64, 22312300), (80, 17849840), (89, 16044800), (92, 15521600), (100, 14279872), (109, 13100800), (115, 12417280), (128, 11156150), (160, 8924920), (178, 8022400), (184, 7760800), (200, 7139936), (218, 6550400), (230, 6208640), (256, 5578075), (320, 4462460), (356, 4011200), (368, 3880400), (400, 3569968), (436, 3275200), (445, 3208960), (460, 3104320), (545, 2620160), (575, 2483456), (640, 2231230), (712, 2005600), (736, 1940200), (800, 1784984), (872, 1637600), (890, 1604480), (920, 1552160), (1090, 1310080), (1150, 1241728), (1280, 1115615), (1424, 1002800), (1472, 970100), (1600, 892492), (1744, 818800), (1780, 802240), (1840, 776080), (2047, 697600), (2180, 655040), (2225, 641792), (2300, 620864), (2507, 569600), (2725, 524032), (2848, 501400), (2944, 485050), (3200, 446246), (3488, 409400), (3560, 401120), (3680, 388040), (4094, 348800), (4360, 327520), (4450, 320896), (4600, 310432), (5014, 284800), (5450, 262016), (5696, 250700), (5888, 242525), (6400, 223123), (6976, 204700), (7120, 200560), (7360, 194020), (8188, 174400), (8720, 163760), (8900, 160448), (9200, 155216), (9701, 147200), (10028, 142400), (10235, 139520), (10900, 131008), (11392, 125350), (12535, 113920), (13952, 102350), (14240, 100280), (14720, 97010), (16376, 87200), (17440, 81880), (17800, 80224), (18400, 77608), (19402, 73600), (20056, 71200), (20470, 69760), (21800, 65504), (22784, 62675), (25070, 56960), (27904, 51175), (28480, 50140), (29440, 48505), (32752, 43600), (34880, 40940), (35600, 40112), (36800, 38804)]