1520455140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{523}}^1$

素因数の和:1090

約数の個数: 144

約数和(自身を含む): 4779081216

約数和(自身を除く): 3258626076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 521, 523, 558, 620, 930, 1042, 1046, 1116, 1395, 1563, 1569, 1860, 2084, 2092, 2605, 2615, 2790, 3126, 3138, 4689, 4707, 5210, 5230, 5580, 6252, 6276, 7815, 7845, 9378, 9414, 10420, 10460, 15630, 15690, 16151, 16213, 18756, 18828, 23445, 23535, 31260, 31380, 32302, 32426, 46890, 47070, 48453, 48639, 64604, 64852, 80755, 81065, 93780, 94140, 96906, 97278, 145359, 145917, 161510, 162130, 193812, 194556, 242265, 243195, 272483, 290718, 291834, 323020, 324260, 484530, 486390, 544966, 581436, 583668, 726795, 729585, 817449, 969060, 972780, 1089932, 1362415, 1453590, 1459170, 1634898, 2452347, 2724830, 2907180, 2918340, 3269796, 4087245, 4904694, 5449660, 8174490, 8446973, 9809388, 12261735, 16348980, 16893946, 24523470, 25340919, 33787892, 42234865, 49046940, 50681838, 76022757, 84469730, 101363676, 126704595, 152045514, 168939460, 253409190, 304091028, 380113785, 506818380, 760227570, 1520455140]

約数ペア:

[(1, 1520455140), (2, 760227570), (3, 506818380), (4, 380113785), (5, 304091028), (6, 253409190), (9, 168939460), (10, 152045514), (12, 126704595), (15, 101363676), (18, 84469730), (20, 76022757), (30, 50681838), (31, 49046940), (36, 42234865), (45, 33787892), (60, 25340919), (62, 24523470), (90, 16893946), (93, 16348980), (124, 12261735), (155, 9809388), (180, 8446973), (186, 8174490), (279, 5449660), (310, 4904694), (372, 4087245), (465, 3269796), (521, 2918340), (523, 2907180), (558, 2724830), (620, 2452347), (930, 1634898), (1042, 1459170), (1046, 1453590), (1116, 1362415), (1395, 1089932), (1563, 972780), (1569, 969060), (1860, 817449), (2084, 729585), (2092, 726795), (2605, 583668), (2615, 581436), (2790, 544966), (3126, 486390), (3138, 484530), (4689, 324260), (4707, 323020), (5210, 291834), (5230, 290718), (5580, 272483), (6252, 243195), (6276, 242265), (7815, 194556), (7845, 193812), (9378, 162130), (9414, 161510), (10420, 145917), (10460, 145359), (15630, 97278), (15690, 96906), (16151, 94140), (16213, 93780), (18756, 81065), (18828, 80755), (23445, 64852), (23535, 64604), (31260, 48639), (31380, 48453), (32302, 47070), (32426, 46890)]