281976240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12911}}^1$

素因数の和:12947

約数の個数: 160

約数和(自身を含む): 1075931136

約数和(自身を除く): 793954896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 12911, 21840, 25822, 38733, 51644, 64555, 77466, 90377, 103288, 129110, 154932, 167843, 180754, 193665, 206576, 258220, 271131, 309864, 335686, 361508, 387330, 451885, 503529, 516440, 542262, 619728, 671372, 723016, 774660, 839215, 903770, 1007058, 1032880, 1084524, 1174901, 1342744, 1355655, 1446032, 1549320, 1678430, 1807540, 2014116, 2169048, 2349802, 2517645, 2685488, 2711310, 3098640, 3356860, 3524703, 3615080, 4028232, 4338096, 4699604, 5035290, 5422620, 5874505, 6713720, 7049406, 7230160, 8056464, 9399208, 10070580, 10845240, 11749010, 13427440, 14098812, 17623515, 18798416, 20141160, 21690480, 23498020, 28197624, 35247030, 40282320, 46996040, 56395248, 70494060, 93992080, 140988120, 281976240]

約数ペア:

[(1, 281976240), (2, 140988120), (3, 93992080), (4, 70494060), (5, 56395248), (6, 46996040), (7, 40282320), (8, 35247030), (10, 28197624), (12, 23498020), (13, 21690480), (14, 20141160), (15, 18798416), (16, 17623515), (20, 14098812), (21, 13427440), (24, 11749010), (26, 10845240), (28, 10070580), (30, 9399208), (35, 8056464), (39, 7230160), (40, 7049406), (42, 6713720), (48, 5874505), (52, 5422620), (56, 5035290), (60, 4699604), (65, 4338096), (70, 4028232), (78, 3615080), (80, 3524703), (84, 3356860), (91, 3098640), (104, 2711310), (105, 2685488), (112, 2517645), (120, 2349802), (130, 2169048), (140, 2014116), (156, 1807540), (168, 1678430), (182, 1549320), (195, 1446032), (208, 1355655), (210, 1342744), (240, 1174901), (260, 1084524), (273, 1032880), (280, 1007058), (312, 903770), (336, 839215), (364, 774660), (390, 723016), (420, 671372), (455, 619728), (520, 542262), (546, 516440), (560, 503529), (624, 451885), (728, 387330), (780, 361508), (840, 335686), (910, 309864), (1040, 271131), (1092, 258220), (1365, 206576), (1456, 193665), (1560, 180754), (1680, 167843), (1820, 154932), (2184, 129110), (2730, 103288), (3120, 90377), (3640, 77466), (4368, 64555), (5460, 51644), (7280, 38733), (10920, 25822), (12911, 21840)]