248687360

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 629143200

約数和(自身を除く): 380455840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 59, 64, 74, 80, 89, 118, 128, 148, 160, 178, 185, 236, 256, 295, 296, 320, 356, 370, 445, 472, 590, 592, 640, 712, 740, 890, 944, 1180, 1184, 1280, 1424, 1480, 1780, 1888, 2183, 2360, 2368, 2848, 2960, 3293, 3560, 3776, 4366, 4720, 4736, 5251, 5696, 5920, 6586, 7120, 7552, 8732, 9440, 9472, 10502, 10915, 11392, 11840, 13172, 14240, 15104, 16465, 17464, 18880, 21004, 21830, 22784, 23680, 26255, 26344, 28480, 32930, 34928, 37760, 42008, 43660, 47360, 52510, 52688, 56960, 65860, 69856, 75520, 84016, 87320, 105020, 105376, 113920, 131720, 139712, 168032, 174640, 194287, 210040, 210752, 263440, 279424, 336064, 349280, 388574, 420080, 421504, 526880, 558848, 672128, 698560, 777148, 840160, 843008, 971435, 1053760, 1344256, 1397120, 1554296, 1680320, 1942870, 2107520, 2794240, 3108592, 3360640, 3885740, 4215040, 6217184, 6721280, 7771480, 12434368, 15542960, 24868736, 31085920, 49737472, 62171840, 124343680, 248687360]

約数ペア:

[(1, 248687360), (2, 124343680), (4, 62171840), (5, 49737472), (8, 31085920), (10, 24868736), (16, 15542960), (20, 12434368), (32, 7771480), (37, 6721280), (40, 6217184), (59, 4215040), (64, 3885740), (74, 3360640), (80, 3108592), (89, 2794240), (118, 2107520), (128, 1942870), (148, 1680320), (160, 1554296), (178, 1397120), (185, 1344256), (236, 1053760), (256, 971435), (295, 843008), (296, 840160), (320, 777148), (356, 698560), (370, 672128), (445, 558848), (472, 526880), (590, 421504), (592, 420080), (640, 388574), (712, 349280), (740, 336064), (890, 279424), (944, 263440), (1180, 210752), (1184, 210040), (1280, 194287), (1424, 174640), (1480, 168032), (1780, 139712), (1888, 131720), (2183, 113920), (2360, 105376), (2368, 105020), (2848, 87320), (2960, 84016), (3293, 75520), (3560, 69856), (3776, 65860), (4366, 56960), (4720, 52688), (4736, 52510), (5251, 47360), (5696, 43660), (5920, 42008), (6586, 37760), (7120, 34928), (7552, 32930), (8732, 28480), (9440, 26344), (9472, 26255), (10502, 23680), (10915, 22784), (11392, 21830), (11840, 21004), (13172, 18880), (14240, 17464), (15104, 16465)]