28214280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{433}}^1$

素因数の和:631

約数の個数: 96

約数和(自身を含む): 92415960

約数和(自身を除く): 64201680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 181, 360, 362, 433, 543, 724, 866, 905, 1086, 1299, 1448, 1629, 1732, 1810, 2165, 2172, 2598, 2715, 3258, 3464, 3620, 3897, 4330, 4344, 5196, 5430, 6495, 6516, 7240, 7794, 8145, 8660, 10392, 10860, 12990, 13032, 15588, 16290, 17320, 19485, 21720, 25980, 31176, 32580, 38970, 51960, 65160, 77940, 78373, 155880, 156746, 235119, 313492, 391865, 470238, 626984, 705357, 783730, 940476, 1175595, 1410714, 1567460, 1880952, 2351190, 2821428, 3134920, 3526785, 4702380, 5642856, 7053570, 9404760, 14107140, 28214280]

約数ペア:

[(1, 28214280), (2, 14107140), (3, 9404760), (4, 7053570), (5, 5642856), (6, 4702380), (8, 3526785), (9, 3134920), (10, 2821428), (12, 2351190), (15, 1880952), (18, 1567460), (20, 1410714), (24, 1175595), (30, 940476), (36, 783730), (40, 705357), (45, 626984), (60, 470238), (72, 391865), (90, 313492), (120, 235119), (180, 156746), (181, 155880), (360, 78373), (362, 77940), (433, 65160), (543, 51960), (724, 38970), (866, 32580), (905, 31176), (1086, 25980), (1299, 21720), (1448, 19485), (1629, 17320), (1732, 16290), (1810, 15588), (2165, 13032), (2172, 12990), (2598, 10860), (2715, 10392), (3258, 8660), (3464, 8145), (3620, 7794), (3897, 7240), (4330, 6516), (4344, 6495), (5196, 5430)]