64604540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:508

約数の個数: 144

約数和(自身を含む): 185812704

約数和(自身を除く): 121208164

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 91, 98, 110, 130, 140, 143, 154, 182, 196, 220, 245, 260, 286, 308, 364, 385, 455, 461, 490, 539, 572, 637, 715, 770, 910, 922, 980, 1001, 1078, 1274, 1430, 1540, 1820, 1844, 2002, 2156, 2305, 2548, 2695, 2860, 3185, 3227, 4004, 4610, 5005, 5071, 5390, 5993, 6370, 6454, 7007, 9220, 10010, 10142, 10780, 11986, 12740, 12908, 14014, 16135, 20020, 20284, 22589, 23972, 25355, 28028, 29965, 32270, 35035, 35497, 41951, 45178, 50710, 59930, 64540, 65923, 70070, 70994, 83902, 90356, 101420, 112945, 119860, 131846, 140140, 141988, 167804, 177485, 209755, 225890, 248479, 263692, 293657, 329615, 354970, 419510, 451780, 461461, 496958, 587314, 659230, 709940, 839020, 922922, 993916, 1174628, 1242395, 1318460, 1468285, 1845844, 2307305, 2484790, 2936570, 3230227, 4614610, 4969580, 5873140, 6460454, 9229220, 12920908, 16151135, 32302270, 64604540]

約数ペア:

[(1, 64604540), (2, 32302270), (4, 16151135), (5, 12920908), (7, 9229220), (10, 6460454), (11, 5873140), (13, 4969580), (14, 4614610), (20, 3230227), (22, 2936570), (26, 2484790), (28, 2307305), (35, 1845844), (44, 1468285), (49, 1318460), (52, 1242395), (55, 1174628), (65, 993916), (70, 922922), (77, 839020), (91, 709940), (98, 659230), (110, 587314), (130, 496958), (140, 461461), (143, 451780), (154, 419510), (182, 354970), (196, 329615), (220, 293657), (245, 263692), (260, 248479), (286, 225890), (308, 209755), (364, 177485), (385, 167804), (455, 141988), (461, 140140), (490, 131846), (539, 119860), (572, 112945), (637, 101420), (715, 90356), (770, 83902), (910, 70994), (922, 70070), (980, 65923), (1001, 64540), (1078, 59930), (1274, 50710), (1430, 45178), (1540, 41951), (1820, 35497), (1844, 35035), (2002, 32270), (2156, 29965), (2305, 28028), (2548, 25355), (2695, 23972), (2860, 22589), (3185, 20284), (3227, 20020), (4004, 16135), (4610, 14014), (5005, 12908), (5071, 12740), (5390, 11986), (5993, 10780), (6370, 10142), (6454, 10010), (7007, 9220)]