217885920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3413}}^1$

素因数の和:3457

約数の個数: 192

約数和(自身を含む): 825914880

約数和(自身を除く): 608028960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 210, 224, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 480, 532, 560, 570, 608, 665, 672, 760, 798, 840, 912, 1064, 1120, 1140, 1330, 1520, 1596, 1680, 1824, 1995, 2128, 2280, 2660, 3040, 3192, 3360, 3413, 3990, 4256, 4560, 5320, 6384, 6826, 7980, 9120, 10239, 10640, 12768, 13652, 15960, 17065, 20478, 21280, 23891, 27304, 31920, 34130, 40956, 47782, 51195, 54608, 63840, 64847, 68260, 71673, 81912, 95564, 102390, 109216, 119455, 129694, 136520, 143346, 163824, 191128, 194541, 204780, 238910, 259388, 273040, 286692, 324235, 327648, 358365, 382256, 389082, 409560, 453929, 477820, 518776, 546080, 573384, 648470, 716730, 764512, 778164, 819120, 907858, 955640, 972705, 1037552, 1146768, 1296940, 1361787, 1433460, 1556328, 1638240, 1815716, 1911280, 1945410, 2075104, 2269645, 2293536, 2593880, 2723574, 2866920, 3112656, 3631432, 3822560, 3890820, 4539290, 5187760, 5447148, 5733840, 6225312, 6808935, 7262864, 7781640, 9078580, 10375520, 10894296, 11467680, 13617870, 14525728, 15563280, 18157160, 21788592, 27235740, 31126560, 36314320, 43577184, 54471480, 72628640, 108942960, 217885920]

約数ペア:

[(1, 217885920), (2, 108942960), (3, 72628640), (4, 54471480), (5, 43577184), (6, 36314320), (7, 31126560), (8, 27235740), (10, 21788592), (12, 18157160), (14, 15563280), (15, 14525728), (16, 13617870), (19, 11467680), (20, 10894296), (21, 10375520), (24, 9078580), (28, 7781640), (30, 7262864), (32, 6808935), (35, 6225312), (38, 5733840), (40, 5447148), (42, 5187760), (48, 4539290), (56, 3890820), (57, 3822560), (60, 3631432), (70, 3112656), (76, 2866920), (80, 2723574), (84, 2593880), (95, 2293536), (96, 2269645), (105, 2075104), (112, 1945410), (114, 1911280), (120, 1815716), (133, 1638240), (140, 1556328), (152, 1433460), (160, 1361787), (168, 1296940), (190, 1146768), (210, 1037552), (224, 972705), (228, 955640), (240, 907858), (266, 819120), (280, 778164), (285, 764512), (304, 716730), (336, 648470), (380, 573384), (399, 546080), (420, 518776), (456, 477820), (480, 453929), (532, 409560), (560, 389082), (570, 382256), (608, 358365), (665, 327648), (672, 324235), (760, 286692), (798, 273040), (840, 259388), (912, 238910), (1064, 204780), (1120, 194541), (1140, 191128), (1330, 163824), (1520, 143346), (1596, 136520), (1680, 129694), (1824, 119455), (1995, 109216), (2128, 102390), (2280, 95564), (2660, 81912), (3040, 71673), (3192, 68260), (3360, 64847), (3413, 63840), (3990, 54608), (4256, 51195), (4560, 47782), (5320, 40956), (6384, 34130), (6826, 31920), (7980, 27304), (9120, 23891), (10239, 21280), (10640, 20478), (12768, 17065), (13652, 15960)]