209103960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{431}}^1$

素因数の和:769

約数の個数: 128

約数和(自身を含む): 679311360

約数和(自身を除く): 470207400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 311, 312, 390, 431, 520, 622, 780, 862, 933, 1244, 1293, 1555, 1560, 1724, 1866, 2155, 2488, 2586, 3110, 3448, 3732, 4043, 4310, 4665, 5172, 5603, 6220, 6465, 7464, 8086, 8620, 9330, 10344, 11206, 12129, 12440, 12930, 16172, 16809, 17240, 18660, 20215, 22412, 24258, 25860, 28015, 32344, 33618, 37320, 40430, 44824, 48516, 51720, 56030, 60645, 67236, 80860, 84045, 97032, 112060, 121290, 134041, 134472, 161720, 168090, 224120, 242580, 268082, 336180, 402123, 485160, 536164, 670205, 672360, 804246, 1072328, 1340410, 1608492, 1742533, 2010615, 2680820, 3216984, 3485066, 4021230, 5227599, 5361640, 6970132, 8042460, 8712665, 10455198, 13940264, 16084920, 17425330, 20910396, 26137995, 34850660, 41820792, 52275990, 69701320, 104551980, 209103960]

約数ペア:

[(1, 209103960), (2, 104551980), (3, 69701320), (4, 52275990), (5, 41820792), (6, 34850660), (8, 26137995), (10, 20910396), (12, 17425330), (13, 16084920), (15, 13940264), (20, 10455198), (24, 8712665), (26, 8042460), (30, 6970132), (39, 5361640), (40, 5227599), (52, 4021230), (60, 3485066), (65, 3216984), (78, 2680820), (104, 2010615), (120, 1742533), (130, 1608492), (156, 1340410), (195, 1072328), (260, 804246), (311, 672360), (312, 670205), (390, 536164), (431, 485160), (520, 402123), (622, 336180), (780, 268082), (862, 242580), (933, 224120), (1244, 168090), (1293, 161720), (1555, 134472), (1560, 134041), (1724, 121290), (1866, 112060), (2155, 97032), (2488, 84045), (2586, 80860), (3110, 67236), (3448, 60645), (3732, 56030), (4043, 51720), (4310, 48516), (4665, 44824), (5172, 40430), (5603, 37320), (6220, 33618), (6465, 32344), (7464, 28015), (8086, 25860), (8620, 24258), (9330, 22412), (10344, 20215), (11206, 18660), (12129, 17240), (12440, 16809), (12930, 16172)]