287916720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13183}}^1$

素因数の和:13219

約数の個数: 160

約数和(自身を含む): 1098596352

約数和(自身を除く): 810679632

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, 13183, 21840, 26366, 39549, 52732, 65915, 79098, 92281, 105464, 131830, 158196, 171379, 184562, 197745, 210928, 263660, 276843, 316392, 342758, 369124, 395490, 461405, 514137, 527320, 553686, 632784, 685516, 738248, 790980, 856895, 922810, 1028274, 1054640, 1107372, 1199653, 1371032, 1384215, 1476496, 1581960, 1713790, 1845620, 2056548, 2214744, 2399306, 2570685, 2742064, 2768430, 3163920, 3427580, 3598959, 3691240, 4113096, 4429488, 4798612, 5141370, 5536860, 5998265, 6855160, 7197918, 7382480, 8226192, 9597224, 10282740, 11073720, 11996530, 13710320, 14395836, 17994795, 19194448, 20565480, 22147440, 23993060, 28791672, 35989590, 41130960, 47986120, 57583344, 71979180, 95972240, 143958360, 287916720]

約数ペア:

[(1, 287916720), (2, 143958360), (3, 95972240), (4, 71979180), (5, 57583344), (6, 47986120), (7, 41130960), (8, 35989590), (10, 28791672), (12, 23993060), (13, 22147440), (14, 20565480), (15, 19194448), (16, 17994795), (20, 14395836), (21, 13710320), (24, 11996530), (26, 11073720), (28, 10282740), (30, 9597224), (35, 8226192), (39, 7382480), (40, 7197918), (42, 6855160), (48, 5998265), (52, 5536860), (56, 5141370), (60, 4798612), (65, 4429488), (70, 4113096), (78, 3691240), (80, 3598959), (84, 3427580), (91, 3163920), (104, 2768430), (105, 2742064), (112, 2570685), (120, 2399306), (130, 2214744), (140, 2056548), (156, 1845620), (168, 1713790), (182, 1581960), (195, 1476496), (208, 1384215), (210, 1371032), (240, 1199653), (260, 1107372), (273, 1054640), (280, 1028274), (312, 922810), (336, 856895), (364, 790980), (390, 738248), (420, 685516), (455, 632784), (520, 553686), (546, 527320), (560, 514137), (624, 461405), (728, 395490), (780, 369124), (840, 342758), (910, 316392), (1040, 276843), (1092, 263660), (1365, 210928), (1456, 197745), (1560, 184562), (1680, 171379), (1820, 158196), (2184, 131830), (2730, 105464), (3120, 92281), (3640, 79098), (4368, 65915), (5460, 52732), (7280, 39549), (10920, 26366), (13183, 21840)]