25836720

素因数分解:

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

素因数の和:69

約数の個数: 240

約数和(自身を含む): 100931040

約数和(自身を除く): 75094320

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, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 104, 105, 112, 120, 130, 140, 147, 156, 168, 169, 182, 195, 196, 208, 210, 240, 245, 260, 273, 280, 294, 312, 336, 338, 364, 390, 392, 420, 455, 490, 507, 520, 546, 560, 588, 624, 637, 676, 728, 735, 780, 784, 840, 845, 910, 980, 1014, 1040, 1092, 1176, 1183, 1274, 1352, 1365, 1456, 1470, 1560, 1680, 1690, 1820, 1911, 1960, 2028, 2184, 2197, 2352, 2366, 2535, 2548, 2704, 2730, 2940, 3120, 3185, 3380, 3549, 3640, 3822, 3920, 4056, 4368, 4394, 4732, 5070, 5096, 5460, 5880, 5915, 6370, 6591, 6760, 7098, 7280, 7644, 8112, 8281, 8788, 9464, 9555, 10140, 10192, 10920, 10985, 11760, 11830, 12740, 13182, 13520, 14196, 15288, 15379, 16562, 17576, 17745, 18928, 19110, 20280, 21840, 21970, 23660, 24843, 25480, 26364, 28392, 30576, 30758, 32955, 33124, 35152, 35490, 38220, 40560, 41405, 43940, 46137, 47320, 49686, 50960, 52728, 56784, 61516, 65910, 66248, 70980, 76440, 76895, 82810, 87880, 92274, 94640, 99372, 105456, 107653, 123032, 124215, 131820, 132496, 141960, 152880, 153790, 165620, 175760, 184548, 198744, 215306, 230685, 246064, 248430, 263640, 283920, 307580, 322959, 331240, 369096, 397488, 430612, 461370, 496860, 527280, 538265, 615160, 645918, 662480, 738192, 861224, 922740, 993720, 1076530, 1230320, 1291836, 1614795, 1722448, 1845480, 1987440, 2153060, 2583672, 3229590, 3690960, 4306120, 5167344, 6459180, 8612240, 12918360, 25836720]

約数ペア:

[(1, 25836720), (2, 12918360), (3, 8612240), (4, 6459180), (5, 5167344), (6, 4306120), (7, 3690960), (8, 3229590), (10, 2583672), (12, 2153060), (13, 1987440), (14, 1845480), (15, 1722448), (16, 1614795), (20, 1291836), (21, 1230320), (24, 1076530), (26, 993720), (28, 922740), (30, 861224), (35, 738192), (39, 662480), (40, 645918), (42, 615160), (48, 538265), (49, 527280), (52, 496860), (56, 461370), (60, 430612), (65, 397488), (70, 369096), (78, 331240), (80, 322959), (84, 307580), (91, 283920), (98, 263640), (104, 248430), (105, 246064), (112, 230685), (120, 215306), (130, 198744), (140, 184548), (147, 175760), (156, 165620), (168, 153790), (169, 152880), (182, 141960), (195, 132496), (196, 131820), (208, 124215), (210, 123032), (240, 107653), (245, 105456), (260, 99372), (273, 94640), (280, 92274), (294, 87880), (312, 82810), (336, 76895), (338, 76440), (364, 70980), (390, 66248), (392, 65910), (420, 61516), (455, 56784), (490, 52728), (507, 50960), (520, 49686), (546, 47320), (560, 46137), (588, 43940), (624, 41405), (637, 40560), (676, 38220), (728, 35490), (735, 35152), (780, 33124), (784, 32955), (840, 30758), (845, 30576), (910, 28392), (980, 26364), (1014, 25480), (1040, 24843), (1092, 23660), (1176, 21970), (1183, 21840), (1274, 20280), (1352, 19110), (1365, 18928), (1456, 17745), (1470, 17576), (1560, 16562), (1680, 15379), (1690, 15288), (1820, 14196), (1911, 13520), (1960, 13182), (2028, 12740), (2184, 11830), (2197, 11760), (2352, 10985), (2366, 10920), (2535, 10192), (2548, 10140), (2704, 9555), (2730, 9464), (2940, 8788), (3120, 8281), (3185, 8112), (3380, 7644), (3549, 7280), (3640, 7098), (3822, 6760), (3920, 6591), (4056, 6370), (4368, 5915), (4394, 5880), (4732, 5460), (5070, 5096)]