221246640

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:646

約数の個数: 240

約数和(自身を含む): 812448000

約数和(自身を除く): 591201360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 108, 114, 120, 135, 144, 152, 162, 171, 180, 190, 216, 228, 240, 243, 270, 285, 304, 324, 342, 360, 380, 405, 432, 456, 486, 513, 540, 570, 599, 648, 684, 720, 760, 810, 855, 912, 972, 1026, 1080, 1140, 1198, 1215, 1296, 1368, 1520, 1539, 1620, 1710, 1797, 1944, 2052, 2160, 2280, 2396, 2430, 2565, 2736, 2995, 3078, 3240, 3420, 3594, 3888, 4104, 4560, 4617, 4792, 4860, 5130, 5391, 5990, 6156, 6480, 6840, 7188, 7695, 8208, 8985, 9234, 9584, 9720, 10260, 10782, 11381, 11980, 12312, 13680, 14376, 15390, 16173, 17970, 18468, 19440, 20520, 21564, 22762, 23085, 23960, 24624, 26955, 28752, 30780, 32346, 34143, 35940, 36936, 41040, 43128, 45524, 46170, 47920, 48519, 53910, 56905, 61560, 64692, 68286, 71880, 73872, 80865, 86256, 91048, 92340, 97038, 102429, 107820, 113810, 123120, 129384, 136572, 143760, 145557, 161730, 170715, 182096, 184680, 194076, 204858, 215640, 227620, 242595, 258768, 273144, 291114, 307287, 323460, 341430, 369360, 388152, 409716, 431280, 455240, 485190, 512145, 546288, 582228, 614574, 646920, 682860, 727785, 776304, 819432, 910480, 921861, 970380, 1024290, 1164456, 1229148, 1293840, 1365720, 1455570, 1536435, 1638864, 1843722, 1940760, 2048580, 2328912, 2458296, 2731440, 2765583, 2911140, 3072870, 3687444, 3881520, 4097160, 4609305, 4916592, 5531166, 5822280, 6145740, 7374888, 8194320, 9218610, 11062332, 11644560, 12291480, 13827915, 14749776, 18437220, 22124664, 24582960, 27655830, 36874440, 44249328, 55311660, 73748880, 110623320, 221246640]

約数ペア:

[(1, 221246640), (2, 110623320), (3, 73748880), (4, 55311660), (5, 44249328), (6, 36874440), (8, 27655830), (9, 24582960), (10, 22124664), (12, 18437220), (15, 14749776), (16, 13827915), (18, 12291480), (19, 11644560), (20, 11062332), (24, 9218610), (27, 8194320), (30, 7374888), (36, 6145740), (38, 5822280), (40, 5531166), (45, 4916592), (48, 4609305), (54, 4097160), (57, 3881520), (60, 3687444), (72, 3072870), (76, 2911140), (80, 2765583), (81, 2731440), (90, 2458296), (95, 2328912), (108, 2048580), (114, 1940760), (120, 1843722), (135, 1638864), (144, 1536435), (152, 1455570), (162, 1365720), (171, 1293840), (180, 1229148), (190, 1164456), (216, 1024290), (228, 970380), (240, 921861), (243, 910480), (270, 819432), (285, 776304), (304, 727785), (324, 682860), (342, 646920), (360, 614574), (380, 582228), (405, 546288), (432, 512145), (456, 485190), (486, 455240), (513, 431280), (540, 409716), (570, 388152), (599, 369360), (648, 341430), (684, 323460), (720, 307287), (760, 291114), (810, 273144), (855, 258768), (912, 242595), (972, 227620), (1026, 215640), (1080, 204858), (1140, 194076), (1198, 184680), (1215, 182096), (1296, 170715), (1368, 161730), (1520, 145557), (1539, 143760), (1620, 136572), (1710, 129384), (1797, 123120), (1944, 113810), (2052, 107820), (2160, 102429), (2280, 97038), (2396, 92340), (2430, 91048), (2565, 86256), (2736, 80865), (2995, 73872), (3078, 71880), (3240, 68286), (3420, 64692), (3594, 61560), (3888, 56905), (4104, 53910), (4560, 48519), (4617, 47920), (4792, 46170), (4860, 45524), (5130, 43128), (5391, 41040), (5990, 36936), (6156, 35940), (6480, 34143), (6840, 32346), (7188, 30780), (7695, 28752), (8208, 26955), (8985, 24624), (9234, 23960), (9584, 23085), (9720, 22762), (10260, 21564), (10782, 20520), (11381, 19440), (11980, 18468), (12312, 17970), (13680, 16173), (14376, 15390)]