66851820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3121}}^1$

素因数の和:3160

約数の個数: 144

約数和(自身を含む): 245464128

約数和(自身を除く): 178612308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3121, 3570, 4284, 5355, 6242, 7140, 9363, 10710, 12484, 15605, 18726, 21420, 21847, 28089, 31210, 37452, 43694, 46815, 53057, 56178, 62420, 65541, 87388, 93630, 106114, 109235, 112356, 131082, 140445, 159171, 187260, 196623, 212228, 218470, 262164, 265285, 280890, 318342, 327705, 371399, 393246, 436940, 477513, 530570, 561780, 636684, 655410, 742798, 786492, 795855, 955026, 983115, 1061140, 1114197, 1310820, 1485596, 1591710, 1856995, 1910052, 1966230, 2228394, 2387565, 3183420, 3342591, 3713990, 3932460, 4456788, 4775130, 5570985, 6685182, 7427980, 9550260, 11141970, 13370364, 16712955, 22283940, 33425910, 66851820]

約数ペア:

[(1, 66851820), (2, 33425910), (3, 22283940), (4, 16712955), (5, 13370364), (6, 11141970), (7, 9550260), (9, 7427980), (10, 6685182), (12, 5570985), (14, 4775130), (15, 4456788), (17, 3932460), (18, 3713990), (20, 3342591), (21, 3183420), (28, 2387565), (30, 2228394), (34, 1966230), (35, 1910052), (36, 1856995), (42, 1591710), (45, 1485596), (51, 1310820), (60, 1114197), (63, 1061140), (68, 983115), (70, 955026), (84, 795855), (85, 786492), (90, 742798), (102, 655410), (105, 636684), (119, 561780), (126, 530570), (140, 477513), (153, 436940), (170, 393246), (180, 371399), (204, 327705), (210, 318342), (238, 280890), (252, 265285), (255, 262164), (306, 218470), (315, 212228), (340, 196623), (357, 187260), (420, 159171), (476, 140445), (510, 131082), (595, 112356), (612, 109235), (630, 106114), (714, 93630), (765, 87388), (1020, 65541), (1071, 62420), (1190, 56178), (1260, 53057), (1428, 46815), (1530, 43694), (1785, 37452), (2142, 31210), (2380, 28089), (3060, 21847), (3121, 21420), (3570, 18726), (4284, 15605), (5355, 12484), (6242, 10710), (7140, 9363)]