258258720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:347

約数の個数: 192

約数和(自身を含む): 860025600

約数和(自身を除く): 601766880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 149, 157, 160, 184, 230, 240, 276, 298, 314, 345, 368, 447, 460, 471, 480, 552, 596, 628, 690, 736, 745, 785, 894, 920, 942, 1104, 1192, 1256, 1380, 1490, 1570, 1788, 1840, 1884, 2208, 2235, 2355, 2384, 2512, 2760, 2980, 3140, 3427, 3576, 3611, 3680, 3768, 4470, 4710, 4768, 5024, 5520, 5960, 6280, 6854, 7152, 7222, 7536, 8940, 9420, 10281, 10833, 11040, 11920, 12560, 13708, 14304, 14444, 15072, 17135, 17880, 18055, 18840, 20562, 21666, 23393, 23840, 25120, 27416, 28888, 34270, 35760, 36110, 37680, 41124, 43332, 46786, 51405, 54165, 54832, 57776, 68540, 70179, 71520, 72220, 75360, 82248, 86664, 93572, 102810, 108330, 109664, 115552, 116965, 137080, 140358, 144440, 164496, 173328, 187144, 205620, 216660, 233930, 274160, 280716, 288880, 328992, 346656, 350895, 374288, 411240, 433320, 467860, 538039, 548320, 561432, 577760, 701790, 748576, 822480, 866640, 935720, 1076078, 1122864, 1403580, 1614117, 1644960, 1733280, 1871440, 2152156, 2245728, 2690195, 2807160, 3228234, 3742880, 4304312, 5380390, 5614320, 6456468, 8070585, 8608624, 10760780, 11228640, 12912936, 16141170, 17217248, 21521560, 25825872, 32282340, 43043120, 51651744, 64564680, 86086240, 129129360, 258258720]

約数ペア:

[(1, 258258720), (2, 129129360), (3, 86086240), (4, 64564680), (5, 51651744), (6, 43043120), (8, 32282340), (10, 25825872), (12, 21521560), (15, 17217248), (16, 16141170), (20, 12912936), (23, 11228640), (24, 10760780), (30, 8608624), (32, 8070585), (40, 6456468), (46, 5614320), (48, 5380390), (60, 4304312), (69, 3742880), (80, 3228234), (92, 2807160), (96, 2690195), (115, 2245728), (120, 2152156), (138, 1871440), (149, 1733280), (157, 1644960), (160, 1614117), (184, 1403580), (230, 1122864), (240, 1076078), (276, 935720), (298, 866640), (314, 822480), (345, 748576), (368, 701790), (447, 577760), (460, 561432), (471, 548320), (480, 538039), (552, 467860), (596, 433320), (628, 411240), (690, 374288), (736, 350895), (745, 346656), (785, 328992), (894, 288880), (920, 280716), (942, 274160), (1104, 233930), (1192, 216660), (1256, 205620), (1380, 187144), (1490, 173328), (1570, 164496), (1788, 144440), (1840, 140358), (1884, 137080), (2208, 116965), (2235, 115552), (2355, 109664), (2384, 108330), (2512, 102810), (2760, 93572), (2980, 86664), (3140, 82248), (3427, 75360), (3576, 72220), (3611, 71520), (3680, 70179), (3768, 68540), (4470, 57776), (4710, 54832), (4768, 54165), (5024, 51405), (5520, 46786), (5960, 43332), (6280, 41124), (6854, 37680), (7152, 36110), (7222, 35760), (7536, 34270), (8940, 28888), (9420, 27416), (10281, 25120), (10833, 23840), (11040, 23393), (11920, 21666), (12560, 20562), (13708, 18840), (14304, 18055), (14444, 17880), (15072, 17135)]