65408140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2153}}^1$

素因数の和:2207

約数の個数: 72

約数和(自身を含む): 165013632

約数和(自身を除く): 99605492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 98, 124, 140, 155, 196, 217, 245, 310, 434, 490, 620, 868, 980, 1085, 1519, 2153, 2170, 3038, 4306, 4340, 6076, 7595, 8612, 10765, 15071, 15190, 21530, 30142, 30380, 43060, 60284, 66743, 75355, 105497, 133486, 150710, 210994, 266972, 301420, 333715, 421988, 467201, 527485, 667430, 934402, 1054970, 1334860, 1868804, 2109940, 2336005, 3270407, 4672010, 6540814, 9344020, 13081628, 16352035, 32704070, 65408140]

約数ペア:

[(1, 65408140), (2, 32704070), (4, 16352035), (5, 13081628), (7, 9344020), (10, 6540814), (14, 4672010), (20, 3270407), (28, 2336005), (31, 2109940), (35, 1868804), (49, 1334860), (62, 1054970), (70, 934402), (98, 667430), (124, 527485), (140, 467201), (155, 421988), (196, 333715), (217, 301420), (245, 266972), (310, 210994), (434, 150710), (490, 133486), (620, 105497), (868, 75355), (980, 66743), (1085, 60284), (1519, 43060), (2153, 30380), (2170, 30142), (3038, 21530), (4306, 15190), (4340, 15071), (6076, 10765), (7595, 8612)]