19810815600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{126023}}^1$

素因数の和:126175

約数の個数: 120

約数和(自身を含む): 63945585792

約数和(自身を除く): 44134770192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 131, 150, 200, 240, 262, 300, 393, 400, 524, 600, 655, 786, 1048, 1200, 1310, 1572, 1965, 2096, 2620, 3144, 3275, 3930, 5240, 6288, 6550, 7860, 9825, 10480, 13100, 15720, 19650, 26200, 31440, 39300, 52400, 78600, 126023, 157200, 252046, 378069, 504092, 630115, 756138, 1008184, 1260230, 1512276, 1890345, 2016368, 2520460, 3024552, 3150575, 3780690, 5040920, 6049104, 6301150, 7561380, 9451725, 10081840, 12602300, 15122760, 16509013, 18903450, 25204600, 30245520, 33018026, 37806900, 49527039, 50409200, 66036052, 75613800, 82545065, 99054078, 132072104, 151227600, 165090130, 198108156, 247635195, 264144208, 330180260, 396216312, 412725325, 495270390, 660360520, 792432624, 825450650, 990540780, 1238175975, 1320721040, 1650901300, 1981081560, 2476351950, 3301802600, 3962163120, 4952703900, 6603605200, 9905407800, 19810815600]

約数ペア:

[(1, 19810815600), (2, 9905407800), (3, 6603605200), (4, 4952703900), (5, 3962163120), (6, 3301802600), (8, 2476351950), (10, 1981081560), (12, 1650901300), (15, 1320721040), (16, 1238175975), (20, 990540780), (24, 825450650), (25, 792432624), (30, 660360520), (40, 495270390), (48, 412725325), (50, 396216312), (60, 330180260), (75, 264144208), (80, 247635195), (100, 198108156), (120, 165090130), (131, 151227600), (150, 132072104), (200, 99054078), (240, 82545065), (262, 75613800), (300, 66036052), (393, 50409200), (400, 49527039), (524, 37806900), (600, 33018026), (655, 30245520), (786, 25204600), (1048, 18903450), (1200, 16509013), (1310, 15122760), (1572, 12602300), (1965, 10081840), (2096, 9451725), (2620, 7561380), (3144, 6301150), (3275, 6049104), (3930, 5040920), (5240, 3780690), (6288, 3150575), (6550, 3024552), (7860, 2520460), (9825, 2016368), (10480, 1890345), (13100, 1512276), (15720, 1260230), (19650, 1008184), (26200, 756138), (31440, 630115), (39300, 504092), (52400, 378069), (78600, 252046), (126023, 157200)]