64539580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1277}}^1$

素因数の和:1331

約数の個数: 72

約数和(自身を含む): 163604448

約数和(自身を除く): 99064868

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 532, 665, 722, 1277, 1330, 1444, 1805, 2527, 2554, 2660, 3610, 5054, 5108, 6385, 7220, 8939, 10108, 12635, 12770, 17878, 24263, 25270, 25540, 35756, 44695, 48526, 50540, 89390, 97052, 121315, 169841, 178780, 242630, 339682, 460997, 485260, 679364, 849205, 921994, 1698410, 1843988, 2304985, 3226979, 3396820, 4609970, 6453958, 9219940, 12907916, 16134895, 32269790, 64539580]

約数ペア:

[(1, 64539580), (2, 32269790), (4, 16134895), (5, 12907916), (7, 9219940), (10, 6453958), (14, 4609970), (19, 3396820), (20, 3226979), (28, 2304985), (35, 1843988), (38, 1698410), (70, 921994), (76, 849205), (95, 679364), (133, 485260), (140, 460997), (190, 339682), (266, 242630), (361, 178780), (380, 169841), (532, 121315), (665, 97052), (722, 89390), (1277, 50540), (1330, 48526), (1444, 44695), (1805, 35756), (2527, 25540), (2554, 25270), (2660, 24263), (3610, 17878), (5054, 12770), (5108, 12635), (6385, 10108), (7220, 8939)]