128441040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5881}}^1$

素因数の和:5917

約数の個数: 160

約数和(自身を含む): 490135296

約数和(自身を除く): 361694256

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, 5881, 7280, 10920, 11762, 17643, 21840, 23524, 29405, 35286, 41167, 47048, 58810, 70572, 76453, 82334, 88215, 94096, 117620, 123501, 141144, 152906, 164668, 176430, 205835, 229359, 235240, 247002, 282288, 305812, 329336, 352860, 382265, 411670, 458718, 470480, 494004, 535171, 611624, 617505, 658672, 705720, 764530, 823340, 917436, 988008, 1070342, 1146795, 1223248, 1235010, 1411440, 1529060, 1605513, 1646680, 1834872, 1976016, 2140684, 2293590, 2470020, 2675855, 3058120, 3211026, 3293360, 3669744, 4281368, 4587180, 4940040, 5351710, 6116240, 6422052, 8027565, 8562736, 9174360, 9880080, 10703420, 12844104, 16055130, 18348720, 21406840, 25688208, 32110260, 42813680, 64220520, 128441040]

約数ペア:

[(1, 128441040), (2, 64220520), (3, 42813680), (4, 32110260), (5, 25688208), (6, 21406840), (7, 18348720), (8, 16055130), (10, 12844104), (12, 10703420), (13, 9880080), (14, 9174360), (15, 8562736), (16, 8027565), (20, 6422052), (21, 6116240), (24, 5351710), (26, 4940040), (28, 4587180), (30, 4281368), (35, 3669744), (39, 3293360), (40, 3211026), (42, 3058120), (48, 2675855), (52, 2470020), (56, 2293590), (60, 2140684), (65, 1976016), (70, 1834872), (78, 1646680), (80, 1605513), (84, 1529060), (91, 1411440), (104, 1235010), (105, 1223248), (112, 1146795), (120, 1070342), (130, 988008), (140, 917436), (156, 823340), (168, 764530), (182, 705720), (195, 658672), (208, 617505), (210, 611624), (240, 535171), (260, 494004), (273, 470480), (280, 458718), (312, 411670), (336, 382265), (364, 352860), (390, 329336), (420, 305812), (455, 282288), (520, 247002), (546, 235240), (560, 229359), (624, 205835), (728, 176430), (780, 164668), (840, 152906), (910, 141144), (1040, 123501), (1092, 117620), (1365, 94096), (1456, 88215), (1560, 82334), (1680, 76453), (1820, 70572), (2184, 58810), (2730, 47048), (3120, 41167), (3640, 35286), (4368, 29405), (5460, 23524), (5881, 21840), (7280, 17643), (10920, 11762)]