65148980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 155796480

約数和(自身を除く): 90647500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 59, 62, 65, 118, 124, 130, 137, 155, 236, 260, 274, 295, 310, 403, 548, 590, 620, 685, 767, 806, 1180, 1370, 1534, 1612, 1781, 1829, 2015, 2740, 3068, 3562, 3658, 3835, 4030, 4247, 7124, 7316, 7670, 8060, 8083, 8494, 8905, 9145, 15340, 16166, 16988, 17810, 18290, 21235, 23777, 32332, 35620, 36580, 40415, 42470, 47554, 55211, 80830, 84940, 95108, 105079, 110422, 118885, 161660, 210158, 220844, 237770, 250573, 276055, 420316, 475540, 501146, 525395, 552110, 1002292, 1050790, 1104220, 1252865, 2101580, 2505730, 3257449, 5011460, 6514898, 13029796, 16287245, 32574490, 65148980]

約数ペア:

[(1, 65148980), (2, 32574490), (4, 16287245), (5, 13029796), (10, 6514898), (13, 5011460), (20, 3257449), (26, 2505730), (31, 2101580), (52, 1252865), (59, 1104220), (62, 1050790), (65, 1002292), (118, 552110), (124, 525395), (130, 501146), (137, 475540), (155, 420316), (236, 276055), (260, 250573), (274, 237770), (295, 220844), (310, 210158), (403, 161660), (548, 118885), (590, 110422), (620, 105079), (685, 95108), (767, 84940), (806, 80830), (1180, 55211), (1370, 47554), (1534, 42470), (1612, 40415), (1781, 36580), (1829, 35620), (2015, 32332), (2740, 23777), (3068, 21235), (3562, 18290), (3658, 17810), (3835, 16988), (4030, 16166), (4247, 15340), (7124, 9145), (7316, 8905), (7670, 8494), (8060, 8083)]