28063620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 93562560

約数和(自身を除く): 65498940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 67, 78, 90, 117, 130, 134, 156, 179, 180, 195, 201, 234, 260, 268, 335, 358, 390, 402, 468, 537, 585, 603, 670, 716, 780, 804, 871, 895, 1005, 1074, 1170, 1206, 1340, 1611, 1742, 1790, 2010, 2148, 2327, 2340, 2412, 2613, 2685, 3015, 3222, 3484, 3580, 4020, 4355, 4654, 5226, 5370, 6030, 6444, 6981, 7839, 8055, 8710, 9308, 10452, 10740, 11635, 11993, 12060, 13065, 13962, 15678, 16110, 17420, 20943, 23270, 23986, 26130, 27924, 31356, 32220, 34905, 35979, 39195, 41886, 46540, 47972, 52260, 59965, 69810, 71958, 78390, 83772, 104715, 107937, 119930, 139620, 143916, 155909, 156780, 179895, 209430, 215874, 239860, 311818, 359790, 418860, 431748, 467727, 539685, 623636, 719580, 779545, 935454, 1079370, 1403181, 1559090, 1870908, 2158740, 2338635, 2806362, 3118180, 4677270, 5612724, 7015905, 9354540, 14031810, 28063620]

約数ペア:

[(1, 28063620), (2, 14031810), (3, 9354540), (4, 7015905), (5, 5612724), (6, 4677270), (9, 3118180), (10, 2806362), (12, 2338635), (13, 2158740), (15, 1870908), (18, 1559090), (20, 1403181), (26, 1079370), (30, 935454), (36, 779545), (39, 719580), (45, 623636), (52, 539685), (60, 467727), (65, 431748), (67, 418860), (78, 359790), (90, 311818), (117, 239860), (130, 215874), (134, 209430), (156, 179895), (179, 156780), (180, 155909), (195, 143916), (201, 139620), (234, 119930), (260, 107937), (268, 104715), (335, 83772), (358, 78390), (390, 71958), (402, 69810), (468, 59965), (537, 52260), (585, 47972), (603, 46540), (670, 41886), (716, 39195), (780, 35979), (804, 34905), (871, 32220), (895, 31356), (1005, 27924), (1074, 26130), (1170, 23986), (1206, 23270), (1340, 20943), (1611, 17420), (1742, 16110), (1790, 15678), (2010, 13962), (2148, 13065), (2327, 12060), (2340, 11993), (2412, 11635), (2613, 10740), (2685, 10452), (3015, 9308), (3222, 8710), (3484, 8055), (3580, 7839), (4020, 6981), (4355, 6444), (4654, 6030), (5226, 5370)]