20996480960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9127}}^1$

素因数の和:9243

約数の個数: 224

約数和(自身を含む): 62321602560

約数和(自身を除く): 41325121600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 79, 80, 91, 104, 112, 130, 140, 158, 160, 182, 208, 224, 260, 280, 316, 320, 364, 395, 416, 448, 455, 520, 553, 560, 632, 728, 790, 832, 910, 1027, 1040, 1106, 1120, 1264, 1456, 1580, 1820, 2054, 2080, 2212, 2240, 2528, 2765, 2912, 3160, 3640, 4108, 4160, 4424, 5056, 5135, 5530, 5824, 6320, 7189, 7280, 8216, 8848, 9127, 10270, 11060, 12640, 14378, 14560, 16432, 17696, 18254, 20540, 22120, 25280, 28756, 29120, 32864, 35392, 35945, 36508, 41080, 44240, 45635, 57512, 63889, 65728, 71890, 73016, 82160, 88480, 91270, 115024, 118651, 127778, 143780, 146032, 164320, 176960, 182540, 230048, 237302, 255556, 287560, 292064, 319445, 328640, 365080, 460096, 474604, 511112, 575120, 584128, 593255, 638890, 721033, 730160, 830557, 949208, 1022224, 1150240, 1186510, 1277780, 1442066, 1460320, 1661114, 1898416, 2044448, 2300480, 2373020, 2555560, 2884132, 2920640, 3322228, 3605165, 3796832, 4088896, 4152785, 4746040, 5047231, 5111120, 5768264, 6644456, 7210330, 7593664, 8305570, 9373429, 9492080, 10094462, 10222240, 11536528, 13288912, 14420660, 16611140, 18746858, 18984160, 20188924, 20444480, 23073056, 25236155, 26577824, 28841320, 33222280, 37493716, 37968320, 40377848, 46146112, 46867145, 50472310, 53155648, 57682640, 65614003, 66444560, 74987432, 80755696, 93734290, 100944620, 115365280, 131228006, 132889120, 149974864, 161511392, 187468580, 201889240, 230730560, 262456012, 265778240, 299949728, 323022784, 328070015, 374937160, 403778480, 524912024, 599899456, 656140030, 749874320, 807556960, 1049824048, 1312280060, 1499748640, 1615113920, 2099648096, 2624560120, 2999497280, 4199296192, 5249120240, 10498240480, 20996480960]

約数ペア:

[(1, 20996480960), (2, 10498240480), (4, 5249120240), (5, 4199296192), (7, 2999497280), (8, 2624560120), (10, 2099648096), (13, 1615113920), (14, 1499748640), (16, 1312280060), (20, 1049824048), (26, 807556960), (28, 749874320), (32, 656140030), (35, 599899456), (40, 524912024), (52, 403778480), (56, 374937160), (64, 328070015), (65, 323022784), (70, 299949728), (79, 265778240), (80, 262456012), (91, 230730560), (104, 201889240), (112, 187468580), (130, 161511392), (140, 149974864), (158, 132889120), (160, 131228006), (182, 115365280), (208, 100944620), (224, 93734290), (260, 80755696), (280, 74987432), (316, 66444560), (320, 65614003), (364, 57682640), (395, 53155648), (416, 50472310), (448, 46867145), (455, 46146112), (520, 40377848), (553, 37968320), (560, 37493716), (632, 33222280), (728, 28841320), (790, 26577824), (832, 25236155), (910, 23073056), (1027, 20444480), (1040, 20188924), (1106, 18984160), (1120, 18746858), (1264, 16611140), (1456, 14420660), (1580, 13288912), (1820, 11536528), (2054, 10222240), (2080, 10094462), (2212, 9492080), (2240, 9373429), (2528, 8305570), (2765, 7593664), (2912, 7210330), (3160, 6644456), (3640, 5768264), (4108, 5111120), (4160, 5047231), (4424, 4746040), (5056, 4152785), (5135, 4088896), (5530, 3796832), (5824, 3605165), (6320, 3322228), (7189, 2920640), (7280, 2884132), (8216, 2555560), (8848, 2373020), (9127, 2300480), (10270, 2044448), (11060, 1898416), (12640, 1661114), (14378, 1460320), (14560, 1442066), (16432, 1277780), (17696, 1186510), (18254, 1150240), (20540, 1022224), (22120, 949208), (25280, 830557), (28756, 730160), (29120, 721033), (32864, 638890), (35392, 593255), (35945, 584128), (36508, 575120), (41080, 511112), (44240, 474604), (45635, 460096), (57512, 365080), (63889, 328640), (65728, 319445), (71890, 292064), (73016, 287560), (82160, 255556), (88480, 237302), (91270, 230048), (115024, 182540), (118651, 176960), (127778, 164320), (143780, 146032)]