64042020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 216

約数和(自身を含む): 231921144

約数和(自身を除く): 167879124

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 53, 60, 63, 70, 84, 90, 98, 105, 106, 126, 137, 140, 147, 159, 180, 196, 210, 212, 245, 252, 265, 274, 294, 315, 318, 371, 411, 420, 441, 477, 490, 530, 548, 588, 630, 636, 685, 735, 742, 795, 822, 882, 954, 959, 980, 1060, 1113, 1233, 1260, 1370, 1470, 1484, 1590, 1644, 1764, 1855, 1908, 1918, 2055, 2205, 2226, 2385, 2466, 2597, 2740, 2877, 2940, 3180, 3339, 3710, 3836, 4110, 4410, 4452, 4770, 4795, 4932, 5194, 5565, 5754, 6165, 6678, 6713, 7261, 7420, 7791, 8220, 8631, 8820, 9540, 9590, 10388, 11130, 11508, 12330, 12985, 13356, 13426, 14385, 14522, 15582, 16695, 17262, 19180, 20139, 21783, 22260, 23373, 24660, 25970, 26852, 28770, 29044, 31164, 33390, 33565, 34524, 36305, 38955, 40278, 43155, 43566, 46746, 50827, 51940, 57540, 60417, 65349, 66780, 67130, 72610, 77910, 80556, 86310, 87132, 93492, 100695, 101654, 108915, 116865, 120834, 130698, 134260, 145220, 152481, 155820, 172620, 201390, 203308, 217830, 233730, 241668, 254135, 261396, 302085, 304962, 326745, 355789, 402780, 435660, 457443, 467460, 508270, 604170, 609924, 653490, 711578, 762405, 914886, 1016540, 1067367, 1208340, 1306980, 1423156, 1524810, 1778945, 1829772, 2134734, 2287215, 3049620, 3202101, 3557890, 4269468, 4574430, 5336835, 6404202, 7115780, 9148860, 10673670, 12808404, 16010505, 21347340, 32021010, 64042020]

約数ペア:

[(1, 64042020), (2, 32021010), (3, 21347340), (4, 16010505), (5, 12808404), (6, 10673670), (7, 9148860), (9, 7115780), (10, 6404202), (12, 5336835), (14, 4574430), (15, 4269468), (18, 3557890), (20, 3202101), (21, 3049620), (28, 2287215), (30, 2134734), (35, 1829772), (36, 1778945), (42, 1524810), (45, 1423156), (49, 1306980), (53, 1208340), (60, 1067367), (63, 1016540), (70, 914886), (84, 762405), (90, 711578), (98, 653490), (105, 609924), (106, 604170), (126, 508270), (137, 467460), (140, 457443), (147, 435660), (159, 402780), (180, 355789), (196, 326745), (210, 304962), (212, 302085), (245, 261396), (252, 254135), (265, 241668), (274, 233730), (294, 217830), (315, 203308), (318, 201390), (371, 172620), (411, 155820), (420, 152481), (441, 145220), (477, 134260), (490, 130698), (530, 120834), (548, 116865), (588, 108915), (630, 101654), (636, 100695), (685, 93492), (735, 87132), (742, 86310), (795, 80556), (822, 77910), (882, 72610), (954, 67130), (959, 66780), (980, 65349), (1060, 60417), (1113, 57540), (1233, 51940), (1260, 50827), (1370, 46746), (1470, 43566), (1484, 43155), (1590, 40278), (1644, 38955), (1764, 36305), (1855, 34524), (1908, 33565), (1918, 33390), (2055, 31164), (2205, 29044), (2226, 28770), (2385, 26852), (2466, 25970), (2597, 24660), (2740, 23373), (2877, 22260), (2940, 21783), (3180, 20139), (3339, 19180), (3710, 17262), (3836, 16695), (4110, 15582), (4410, 14522), (4452, 14385), (4770, 13426), (4795, 13356), (4932, 12985), (5194, 12330), (5565, 11508), (5754, 11130), (6165, 10388), (6678, 9590), (6713, 9540), (7261, 8820), (7420, 8631), (7791, 8220)]