305952640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2203}}^1$

素因数の和:2260

約数の個数: 128

約数和(自身を含む): 863262720

約数和(自身を除く): 557310080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2203, 2240, 2480, 3472, 3968, 4340, 4406, 4480, 4960, 6944, 8680, 8812, 9920, 11015, 13888, 15421, 17360, 17624, 19840, 22030, 27776, 30842, 34720, 35248, 44060, 61684, 68293, 69440, 70496, 77105, 88120, 123368, 136586, 138880, 140992, 154210, 176240, 246736, 273172, 281984, 308420, 341465, 352480, 478051, 493472, 546344, 616840, 682930, 704960, 956102, 986944, 1092688, 1233680, 1365860, 1409920, 1912204, 1973888, 2185376, 2390255, 2467360, 2731720, 3824408, 4370752, 4780510, 4934720, 5463440, 7648816, 8741504, 9561020, 9869440, 10926880, 15297632, 19122040, 21853760, 30595264, 38244080, 43707520, 61190528, 76488160, 152976320, 305952640]

約数ペア:

[(1, 305952640), (2, 152976320), (4, 76488160), (5, 61190528), (7, 43707520), (8, 38244080), (10, 30595264), (14, 21853760), (16, 19122040), (20, 15297632), (28, 10926880), (31, 9869440), (32, 9561020), (35, 8741504), (40, 7648816), (56, 5463440), (62, 4934720), (64, 4780510), (70, 4370752), (80, 3824408), (112, 2731720), (124, 2467360), (128, 2390255), (140, 2185376), (155, 1973888), (160, 1912204), (217, 1409920), (224, 1365860), (248, 1233680), (280, 1092688), (310, 986944), (320, 956102), (434, 704960), (448, 682930), (496, 616840), (560, 546344), (620, 493472), (640, 478051), (868, 352480), (896, 341465), (992, 308420), (1085, 281984), (1120, 273172), (1240, 246736), (1736, 176240), (1984, 154210), (2170, 140992), (2203, 138880), (2240, 136586), (2480, 123368), (3472, 88120), (3968, 77105), (4340, 70496), (4406, 69440), (4480, 68293), (4960, 61684), (6944, 44060), (8680, 35248), (8812, 34720), (9920, 30842), (11015, 27776), (13888, 22030), (15421, 19840), (17360, 17624)]