64605780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:566

約数の個数: 144

約数和(自身を含む): 212756544

約数和(自身を除く): 148150764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 43, 45, 51, 60, 68, 85, 86, 90, 102, 129, 153, 170, 172, 180, 204, 215, 255, 258, 306, 340, 387, 430, 491, 510, 516, 612, 645, 731, 765, 774, 860, 982, 1020, 1290, 1462, 1473, 1530, 1548, 1935, 1964, 2193, 2455, 2580, 2924, 2946, 3060, 3655, 3870, 4386, 4419, 4910, 5892, 6579, 7310, 7365, 7740, 8347, 8772, 8838, 9820, 10965, 13158, 14620, 14730, 16694, 17676, 21113, 21930, 22095, 25041, 26316, 29460, 32895, 33388, 41735, 42226, 43860, 44190, 50082, 63339, 65790, 75123, 83470, 84452, 88380, 100164, 105565, 125205, 126678, 131580, 150246, 166940, 190017, 211130, 250410, 253356, 300492, 316695, 358921, 375615, 380034, 422260, 500820, 633390, 717842, 751230, 760068, 950085, 1076763, 1266780, 1435684, 1502460, 1794605, 1900170, 2153526, 3230289, 3589210, 3800340, 4307052, 5383815, 6460578, 7178420, 10767630, 12921156, 16151445, 21535260, 32302890, 64605780]

約数ペア:

[(1, 64605780), (2, 32302890), (3, 21535260), (4, 16151445), (5, 12921156), (6, 10767630), (9, 7178420), (10, 6460578), (12, 5383815), (15, 4307052), (17, 3800340), (18, 3589210), (20, 3230289), (30, 2153526), (34, 1900170), (36, 1794605), (43, 1502460), (45, 1435684), (51, 1266780), (60, 1076763), (68, 950085), (85, 760068), (86, 751230), (90, 717842), (102, 633390), (129, 500820), (153, 422260), (170, 380034), (172, 375615), (180, 358921), (204, 316695), (215, 300492), (255, 253356), (258, 250410), (306, 211130), (340, 190017), (387, 166940), (430, 150246), (491, 131580), (510, 126678), (516, 125205), (612, 105565), (645, 100164), (731, 88380), (765, 84452), (774, 83470), (860, 75123), (982, 65790), (1020, 63339), (1290, 50082), (1462, 44190), (1473, 43860), (1530, 42226), (1548, 41735), (1935, 33388), (1964, 32895), (2193, 29460), (2455, 26316), (2580, 25041), (2924, 22095), (2946, 21930), (3060, 21113), (3655, 17676), (3870, 16694), (4386, 14730), (4419, 14620), (4910, 13158), (5892, 10965), (6579, 9820), (7310, 8838), (7365, 8772), (7740, 8347)]