28796040

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1$

素因数の和:333

約数の個数: 256

約数和(自身を含む): 118540800

約数和(自身を除く): 89744760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 293, 312, 315, 351, 360, 364, 378, 390, 420, 455, 468, 504, 520, 540, 546, 585, 586, 630, 702, 728, 756, 780, 819, 840, 879, 910, 936, 945, 1080, 1092, 1170, 1172, 1260, 1365, 1404, 1465, 1512, 1560, 1638, 1755, 1758, 1820, 1890, 2051, 2184, 2340, 2344, 2457, 2520, 2637, 2730, 2808, 2930, 3276, 3510, 3516, 3640, 3780, 3809, 4095, 4102, 4395, 4680, 4914, 5274, 5460, 5860, 6153, 6552, 7020, 7032, 7560, 7618, 7911, 8190, 8204, 8790, 9828, 10255, 10548, 10920, 11427, 11720, 12285, 12306, 13185, 14040, 15236, 15822, 16380, 16408, 17580, 18459, 19045, 19656, 20510, 21096, 22854, 24570, 24612, 26370, 26663, 30472, 30765, 31644, 32760, 34281, 35160, 36918, 38090, 39555, 41020, 45708, 49140, 49224, 52740, 53326, 55377, 57135, 61530, 63288, 68562, 73836, 76180, 79110, 79989, 82040, 91416, 92295, 98280, 102843, 105480, 106652, 110754, 114270, 123060, 133315, 137124, 147672, 152360, 158220, 159978, 171405, 184590, 205686, 213304, 221508, 228540, 239967, 246120, 266630, 274248, 276885, 316440, 319956, 342810, 369180, 399945, 411372, 443016, 457080, 479934, 514215, 533260, 553770, 639912, 685620, 719901, 738360, 799890, 822744, 959868, 1028430, 1066520, 1107540, 1199835, 1371240, 1439802, 1599780, 1919736, 2056860, 2215080, 2399670, 2879604, 3199560, 3599505, 4113720, 4799340, 5759208, 7199010, 9598680, 14398020, 28796040]

約数ペア:

[(1, 28796040), (2, 14398020), (3, 9598680), (4, 7199010), (5, 5759208), (6, 4799340), (7, 4113720), (8, 3599505), (9, 3199560), (10, 2879604), (12, 2399670), (13, 2215080), (14, 2056860), (15, 1919736), (18, 1599780), (20, 1439802), (21, 1371240), (24, 1199835), (26, 1107540), (27, 1066520), (28, 1028430), (30, 959868), (35, 822744), (36, 799890), (39, 738360), (40, 719901), (42, 685620), (45, 639912), (52, 553770), (54, 533260), (56, 514215), (60, 479934), (63, 457080), (65, 443016), (70, 411372), (72, 399945), (78, 369180), (84, 342810), (90, 319956), (91, 316440), (104, 276885), (105, 274248), (108, 266630), (117, 246120), (120, 239967), (126, 228540), (130, 221508), (135, 213304), (140, 205686), (156, 184590), (168, 171405), (180, 159978), (182, 158220), (189, 152360), (195, 147672), (210, 137124), (216, 133315), (234, 123060), (252, 114270), (260, 110754), (270, 106652), (273, 105480), (280, 102843), (293, 98280), (312, 92295), (315, 91416), (351, 82040), (360, 79989), (364, 79110), (378, 76180), (390, 73836), (420, 68562), (455, 63288), (468, 61530), (504, 57135), (520, 55377), (540, 53326), (546, 52740), (585, 49224), (586, 49140), (630, 45708), (702, 41020), (728, 39555), (756, 38090), (780, 36918), (819, 35160), (840, 34281), (879, 32760), (910, 31644), (936, 30765), (945, 30472), (1080, 26663), (1092, 26370), (1170, 24612), (1172, 24570), (1260, 22854), (1365, 21096), (1404, 20510), (1465, 19656), (1512, 19045), (1560, 18459), (1638, 17580), (1755, 16408), (1758, 16380), (1820, 15822), (1890, 15236), (2051, 14040), (2184, 13185), (2340, 12306), (2344, 12285), (2457, 11720), (2520, 11427), (2637, 10920), (2730, 10548), (2808, 10255), (2930, 9828), (3276, 8790), (3510, 8204), (3516, 8190), (3640, 7911), (3780, 7618), (3809, 7560), (4095, 7032), (4102, 7020), (4395, 6552), (4680, 6153), (4914, 5860), (5274, 5460)]