64966980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 202910400

約数和(自身を除く): 137943420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 78, 86, 129, 130, 149, 156, 169, 172, 195, 215, 258, 260, 298, 338, 390, 430, 447, 507, 516, 559, 596, 645, 676, 745, 780, 845, 860, 894, 1014, 1118, 1290, 1490, 1677, 1690, 1788, 1937, 2028, 2235, 2236, 2535, 2580, 2795, 2980, 3354, 3380, 3874, 4470, 5070, 5590, 5811, 6407, 6708, 7267, 7748, 8385, 8940, 9685, 10140, 11180, 11622, 12814, 14534, 16770, 19221, 19370, 21801, 23244, 25181, 25628, 29055, 29068, 32035, 33540, 36335, 38442, 38740, 43602, 50362, 58110, 64070, 72670, 75543, 76884, 83291, 87204, 96105, 100724, 109005, 116220, 125905, 128140, 145340, 151086, 166582, 192210, 218010, 249873, 251810, 302172, 333164, 377715, 384420, 416455, 436020, 499746, 503620, 755430, 832910, 999492, 1082783, 1249365, 1510860, 1665820, 2165566, 2498730, 3248349, 4331132, 4997460, 5413915, 6496698, 10827830, 12993396, 16241745, 21655660, 32483490, 64966980]

約数ペア:

[(1, 64966980), (2, 32483490), (3, 21655660), (4, 16241745), (5, 12993396), (6, 10827830), (10, 6496698), (12, 5413915), (13, 4997460), (15, 4331132), (20, 3248349), (26, 2498730), (30, 2165566), (39, 1665820), (43, 1510860), (52, 1249365), (60, 1082783), (65, 999492), (78, 832910), (86, 755430), (129, 503620), (130, 499746), (149, 436020), (156, 416455), (169, 384420), (172, 377715), (195, 333164), (215, 302172), (258, 251810), (260, 249873), (298, 218010), (338, 192210), (390, 166582), (430, 151086), (447, 145340), (507, 128140), (516, 125905), (559, 116220), (596, 109005), (645, 100724), (676, 96105), (745, 87204), (780, 83291), (845, 76884), (860, 75543), (894, 72670), (1014, 64070), (1118, 58110), (1290, 50362), (1490, 43602), (1677, 38740), (1690, 38442), (1788, 36335), (1937, 33540), (2028, 32035), (2235, 29068), (2236, 29055), (2535, 25628), (2580, 25181), (2795, 23244), (2980, 21801), (3354, 19370), (3380, 19221), (3874, 16770), (4470, 14534), (5070, 12814), (5590, 11622), (5811, 11180), (6407, 10140), (6708, 9685), (7267, 8940), (7748, 8385)]