248456320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1789}}^1$

素因数の和:1846

約数の個数: 128

約数和(自身を含む): 701107200

約数和(自身を除く): 452650880

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, 1789, 1984, 2170, 2240, 2480, 3472, 3578, 3968, 4340, 4480, 4960, 6944, 7156, 8680, 8945, 9920, 12523, 13888, 14312, 17360, 17890, 19840, 25046, 27776, 28624, 34720, 35780, 50092, 55459, 57248, 62615, 69440, 71560, 100184, 110918, 114496, 125230, 138880, 143120, 200368, 221836, 228992, 250460, 277295, 286240, 388213, 400736, 443672, 500920, 554590, 572480, 776426, 801472, 887344, 1001840, 1109180, 1144960, 1552852, 1602944, 1774688, 1941065, 2003680, 2218360, 3105704, 3549376, 3882130, 4007360, 4436720, 6211408, 7098752, 7764260, 8014720, 8873440, 12422816, 15528520, 17746880, 24845632, 31057040, 35493760, 49691264, 62114080, 124228160, 248456320]

約数ペア:

[(1, 248456320), (2, 124228160), (4, 62114080), (5, 49691264), (7, 35493760), (8, 31057040), (10, 24845632), (14, 17746880), (16, 15528520), (20, 12422816), (28, 8873440), (31, 8014720), (32, 7764260), (35, 7098752), (40, 6211408), (56, 4436720), (62, 4007360), (64, 3882130), (70, 3549376), (80, 3105704), (112, 2218360), (124, 2003680), (128, 1941065), (140, 1774688), (155, 1602944), (160, 1552852), (217, 1144960), (224, 1109180), (248, 1001840), (280, 887344), (310, 801472), (320, 776426), (434, 572480), (448, 554590), (496, 500920), (560, 443672), (620, 400736), (640, 388213), (868, 286240), (896, 277295), (992, 250460), (1085, 228992), (1120, 221836), (1240, 200368), (1736, 143120), (1789, 138880), (1984, 125230), (2170, 114496), (2240, 110918), (2480, 100184), (3472, 71560), (3578, 69440), (3968, 62615), (4340, 57248), (4480, 55459), (4960, 50092), (6944, 35780), (7156, 34720), (8680, 28624), (8945, 27776), (9920, 25046), (12523, 19840), (13888, 17890), (14312, 17360)]