21774480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1033

約数の個数: 160

約数和(自身を含む): 83161344

約数和(自身を除く): 61386864

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, 997, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 1994, 2184, 2730, 2991, 3120, 3640, 3988, 4368, 4985, 5460, 5982, 6979, 7280, 7976, 9970, 10920, 11964, 12961, 13958, 14955, 15952, 19940, 20937, 21840, 23928, 25922, 27916, 29910, 34895, 38883, 39880, 41874, 47856, 51844, 55832, 59820, 64805, 69790, 77766, 79760, 83748, 90727, 103688, 104685, 111664, 119640, 129610, 139580, 155532, 167496, 181454, 194415, 207376, 209370, 239280, 259220, 272181, 279160, 311064, 334992, 362908, 388830, 418740, 453635, 518440, 544362, 558320, 622128, 725816, 777660, 837480, 907270, 1036880, 1088724, 1360905, 1451632, 1555320, 1674960, 1814540, 2177448, 2721810, 3110640, 3629080, 4354896, 5443620, 7258160, 10887240, 21774480]

約数ペア:

[(1, 21774480), (2, 10887240), (3, 7258160), (4, 5443620), (5, 4354896), (6, 3629080), (7, 3110640), (8, 2721810), (10, 2177448), (12, 1814540), (13, 1674960), (14, 1555320), (15, 1451632), (16, 1360905), (20, 1088724), (21, 1036880), (24, 907270), (26, 837480), (28, 777660), (30, 725816), (35, 622128), (39, 558320), (40, 544362), (42, 518440), (48, 453635), (52, 418740), (56, 388830), (60, 362908), (65, 334992), (70, 311064), (78, 279160), (80, 272181), (84, 259220), (91, 239280), (104, 209370), (105, 207376), (112, 194415), (120, 181454), (130, 167496), (140, 155532), (156, 139580), (168, 129610), (182, 119640), (195, 111664), (208, 104685), (210, 103688), (240, 90727), (260, 83748), (273, 79760), (280, 77766), (312, 69790), (336, 64805), (364, 59820), (390, 55832), (420, 51844), (455, 47856), (520, 41874), (546, 39880), (560, 38883), (624, 34895), (728, 29910), (780, 27916), (840, 25922), (910, 23928), (997, 21840), (1040, 20937), (1092, 19940), (1365, 15952), (1456, 14955), (1560, 13958), (1680, 12961), (1820, 11964), (1994, 10920), (2184, 9970), (2730, 7976), (2991, 7280), (3120, 6979), (3640, 5982), (3988, 5460), (4368, 4985)]