256930800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:520

約数の個数: 240

約数和(自身を含む): 955772160

約数和(自身を除く): 698841360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 73, 75, 80, 84, 100, 105, 112, 120, 140, 146, 150, 168, 175, 200, 210, 219, 240, 280, 292, 300, 336, 350, 365, 400, 419, 420, 438, 511, 525, 560, 584, 600, 700, 730, 838, 840, 876, 1022, 1050, 1095, 1168, 1200, 1257, 1400, 1460, 1533, 1676, 1680, 1752, 1825, 2044, 2095, 2100, 2190, 2514, 2555, 2800, 2920, 2933, 3066, 3352, 3504, 3650, 4088, 4190, 4200, 4380, 5028, 5110, 5475, 5840, 5866, 6132, 6285, 6704, 7300, 7665, 8176, 8380, 8400, 8760, 8799, 10056, 10220, 10475, 10950, 11732, 12264, 12570, 12775, 14600, 14665, 15330, 16760, 17520, 17598, 20112, 20440, 20950, 21900, 23464, 24528, 25140, 25550, 29200, 29330, 30587, 30660, 31425, 33520, 35196, 38325, 40880, 41900, 43800, 43995, 46928, 50280, 51100, 58660, 61174, 61320, 62850, 70392, 73325, 76650, 83800, 87600, 87990, 91761, 100560, 102200, 117320, 122348, 122640, 125700, 140784, 146650, 152935, 153300, 167600, 175980, 183522, 204400, 214109, 219975, 234640, 244696, 251400, 293300, 305870, 306600, 351960, 367044, 428218, 439950, 458805, 489392, 502800, 586600, 611740, 613200, 642327, 703920, 734088, 764675, 856436, 879900, 917610, 1070545, 1173200, 1223480, 1284654, 1468176, 1529350, 1712872, 1759800, 1835220, 2141090, 2294025, 2446960, 2569308, 3058700, 3211635, 3425744, 3519600, 3670440, 4282180, 4588050, 5138616, 5352725, 6117400, 6423270, 7340880, 8564360, 9176100, 10277232, 10705450, 12234800, 12846540, 16058175, 17128720, 18352200, 21410900, 25693080, 32116350, 36704400, 42821800, 51386160, 64232700, 85643600, 128465400, 256930800]

約数ペア:

[(1, 256930800), (2, 128465400), (3, 85643600), (4, 64232700), (5, 51386160), (6, 42821800), (7, 36704400), (8, 32116350), (10, 25693080), (12, 21410900), (14, 18352200), (15, 17128720), (16, 16058175), (20, 12846540), (21, 12234800), (24, 10705450), (25, 10277232), (28, 9176100), (30, 8564360), (35, 7340880), (40, 6423270), (42, 6117400), (48, 5352725), (50, 5138616), (56, 4588050), (60, 4282180), (70, 3670440), (73, 3519600), (75, 3425744), (80, 3211635), (84, 3058700), (100, 2569308), (105, 2446960), (112, 2294025), (120, 2141090), (140, 1835220), (146, 1759800), (150, 1712872), (168, 1529350), (175, 1468176), (200, 1284654), (210, 1223480), (219, 1173200), (240, 1070545), (280, 917610), (292, 879900), (300, 856436), (336, 764675), (350, 734088), (365, 703920), (400, 642327), (419, 613200), (420, 611740), (438, 586600), (511, 502800), (525, 489392), (560, 458805), (584, 439950), (600, 428218), (700, 367044), (730, 351960), (838, 306600), (840, 305870), (876, 293300), (1022, 251400), (1050, 244696), (1095, 234640), (1168, 219975), (1200, 214109), (1257, 204400), (1400, 183522), (1460, 175980), (1533, 167600), (1676, 153300), (1680, 152935), (1752, 146650), (1825, 140784), (2044, 125700), (2095, 122640), (2100, 122348), (2190, 117320), (2514, 102200), (2555, 100560), (2800, 91761), (2920, 87990), (2933, 87600), (3066, 83800), (3352, 76650), (3504, 73325), (3650, 70392), (4088, 62850), (4190, 61320), (4200, 61174), (4380, 58660), (5028, 51100), (5110, 50280), (5475, 46928), (5840, 43995), (5866, 43800), (6132, 41900), (6285, 40880), (6704, 38325), (7300, 35196), (7665, 33520), (8176, 31425), (8380, 30660), (8400, 30587), (8760, 29330), (8799, 29200), (10056, 25550), (10220, 25140), (10475, 24528), (10950, 23464), (11732, 21900), (12264, 20950), (12570, 20440), (12775, 20112), (14600, 17598), (14665, 17520), (15330, 16760)]