31218720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5003}}^1$

素因数の和:5034

約数の個数: 96

約数和(自身を含む): 105924672

約数和(自身を除く): 74705952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 5003, 6240, 10006, 15009, 20012, 25015, 30018, 40024, 50030, 60036, 65039, 75045, 80048, 100060, 120072, 130078, 150090, 160096, 195117, 200120, 240144, 260156, 300180, 325195, 390234, 400240, 480288, 520312, 600360, 650390, 780468, 800480, 975585, 1040624, 1200720, 1300780, 1560936, 1951170, 2081248, 2401440, 2601560, 3121872, 3902340, 5203120, 6243744, 7804680, 10406240, 15609360, 31218720]

約数ペア:

[(1, 31218720), (2, 15609360), (3, 10406240), (4, 7804680), (5, 6243744), (6, 5203120), (8, 3902340), (10, 3121872), (12, 2601560), (13, 2401440), (15, 2081248), (16, 1951170), (20, 1560936), (24, 1300780), (26, 1200720), (30, 1040624), (32, 975585), (39, 800480), (40, 780468), (48, 650390), (52, 600360), (60, 520312), (65, 480288), (78, 400240), (80, 390234), (96, 325195), (104, 300180), (120, 260156), (130, 240144), (156, 200120), (160, 195117), (195, 160096), (208, 150090), (240, 130078), (260, 120072), (312, 100060), (390, 80048), (416, 75045), (480, 65039), (520, 60036), (624, 50030), (780, 40024), (1040, 30018), (1248, 25015), (1560, 20012), (2080, 15009), (3120, 10006), (5003, 6240)]