64946860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 156764160

約数和(自身を除く): 91817300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 89, 107, 110, 124, 155, 178, 214, 220, 310, 341, 356, 428, 445, 535, 620, 682, 890, 979, 1070, 1177, 1364, 1705, 1780, 1958, 2140, 2354, 2759, 3317, 3410, 3916, 4708, 4895, 5518, 5885, 6634, 6820, 9523, 9790, 11036, 11770, 13268, 13795, 16585, 19046, 19580, 23540, 27590, 30349, 33170, 36487, 38092, 47615, 55180, 60698, 66340, 72974, 95230, 104753, 121396, 145948, 151745, 182435, 190460, 209506, 295213, 303490, 364870, 419012, 523765, 590426, 606980, 729740, 1047530, 1180852, 1476065, 2095060, 2952130, 3247343, 5904260, 6494686, 12989372, 16236715, 32473430, 64946860]

約数ペア:

[(1, 64946860), (2, 32473430), (4, 16236715), (5, 12989372), (10, 6494686), (11, 5904260), (20, 3247343), (22, 2952130), (31, 2095060), (44, 1476065), (55, 1180852), (62, 1047530), (89, 729740), (107, 606980), (110, 590426), (124, 523765), (155, 419012), (178, 364870), (214, 303490), (220, 295213), (310, 209506), (341, 190460), (356, 182435), (428, 151745), (445, 145948), (535, 121396), (620, 104753), (682, 95230), (890, 72974), (979, 66340), (1070, 60698), (1177, 55180), (1364, 47615), (1705, 38092), (1780, 36487), (1958, 33170), (2140, 30349), (2354, 27590), (2759, 23540), (3317, 19580), (3410, 19046), (3916, 16585), (4708, 13795), (4895, 13268), (5518, 11770), (5885, 11036), (6634, 9790), (6820, 9523)]