211704840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{181}}^1$

素因数の和:242

約数の個数: 240

約数和(自身を含む): 755134380

約数和(自身を除く): 543429540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 181, 190, 216, 228, 270, 285, 324, 342, 360, 361, 362, 380, 405, 456, 513, 540, 543, 570, 648, 684, 722, 724, 760, 810, 855, 905, 1026, 1080, 1083, 1086, 1140, 1368, 1444, 1448, 1539, 1620, 1629, 1710, 1805, 1810, 2052, 2166, 2172, 2280, 2565, 2715, 2888, 3078, 3240, 3249, 3258, 3420, 3439, 3610, 3620, 4104, 4332, 4344, 4887, 5130, 5415, 5430, 6156, 6498, 6516, 6840, 6878, 7220, 7240, 7695, 8145, 8664, 9747, 9774, 10260, 10317, 10830, 10860, 12312, 12996, 13032, 13756, 14440, 14661, 15390, 16245, 16290, 17195, 19494, 19548, 20520, 20634, 21660, 21720, 24435, 25992, 27512, 29241, 29322, 30780, 30951, 32490, 32580, 34390, 38988, 39096, 41268, 43320, 48735, 48870, 51585, 58482, 58644, 61560, 61902, 64980, 65160, 65341, 68780, 73305, 77976, 82536, 92853, 97470, 97740, 103170, 116964, 117288, 123804, 129960, 130682, 137560, 146205, 146610, 154755, 185706, 194940, 195480, 196023, 206340, 233928, 247608, 261364, 278559, 292410, 293220, 309510, 326705, 371412, 389880, 392046, 412680, 464265, 522728, 557118, 584820, 586440, 588069, 619020, 653410, 742824, 784092, 928530, 980115, 1114236, 1169640, 1176138, 1238040, 1306820, 1392795, 1568184, 1764207, 1857060, 1960230, 2228472, 2352276, 2613640, 2785590, 2940345, 3528414, 3714120, 3920460, 4704552, 5292621, 5571180, 5880690, 7056828, 7840920, 8821035, 10585242, 11142360, 11761380, 14113656, 17642070, 21170484, 23522760, 26463105, 35284140, 42340968, 52926210, 70568280, 105852420, 211704840]

約数ペア:

[(1, 211704840), (2, 105852420), (3, 70568280), (4, 52926210), (5, 42340968), (6, 35284140), (8, 26463105), (9, 23522760), (10, 21170484), (12, 17642070), (15, 14113656), (18, 11761380), (19, 11142360), (20, 10585242), (24, 8821035), (27, 7840920), (30, 7056828), (36, 5880690), (38, 5571180), (40, 5292621), (45, 4704552), (54, 3920460), (57, 3714120), (60, 3528414), (72, 2940345), (76, 2785590), (81, 2613640), (90, 2352276), (95, 2228472), (108, 1960230), (114, 1857060), (120, 1764207), (135, 1568184), (152, 1392795), (162, 1306820), (171, 1238040), (180, 1176138), (181, 1169640), (190, 1114236), (216, 980115), (228, 928530), (270, 784092), (285, 742824), (324, 653410), (342, 619020), (360, 588069), (361, 586440), (362, 584820), (380, 557118), (405, 522728), (456, 464265), (513, 412680), (540, 392046), (543, 389880), (570, 371412), (648, 326705), (684, 309510), (722, 293220), (724, 292410), (760, 278559), (810, 261364), (855, 247608), (905, 233928), (1026, 206340), (1080, 196023), (1083, 195480), (1086, 194940), (1140, 185706), (1368, 154755), (1444, 146610), (1448, 146205), (1539, 137560), (1620, 130682), (1629, 129960), (1710, 123804), (1805, 117288), (1810, 116964), (2052, 103170), (2166, 97740), (2172, 97470), (2280, 92853), (2565, 82536), (2715, 77976), (2888, 73305), (3078, 68780), (3240, 65341), (3249, 65160), (3258, 64980), (3420, 61902), (3439, 61560), (3610, 58644), (3620, 58482), (4104, 51585), (4332, 48870), (4344, 48735), (4887, 43320), (5130, 41268), (5415, 39096), (5430, 38988), (6156, 34390), (6498, 32580), (6516, 32490), (6840, 30951), (6878, 30780), (7220, 29322), (7240, 29241), (7695, 27512), (8145, 25992), (8664, 24435), (9747, 21720), (9774, 21660), (10260, 20634), (10317, 20520), (10830, 19548), (10860, 19494), (12312, 17195), (12996, 16290), (13032, 16245), (13756, 15390), (14440, 14661)]