64729980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:249

約数の個数: 216

約数和(自身を含む): 235282320

約数和(自身を除く): 170552340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 49, 60, 63, 70, 82, 84, 90, 98, 105, 123, 126, 140, 147, 164, 179, 180, 196, 205, 210, 245, 246, 252, 287, 294, 315, 358, 369, 410, 420, 441, 490, 492, 537, 574, 588, 615, 630, 716, 735, 738, 820, 861, 882, 895, 980, 1074, 1148, 1230, 1253, 1260, 1435, 1470, 1476, 1611, 1722, 1764, 1790, 1845, 2009, 2148, 2205, 2460, 2506, 2583, 2685, 2870, 2940, 3222, 3444, 3580, 3690, 3759, 4018, 4305, 4410, 5012, 5166, 5370, 5740, 6027, 6265, 6444, 7339, 7380, 7518, 8036, 8055, 8610, 8771, 8820, 10045, 10332, 10740, 11277, 12054, 12530, 12915, 14678, 15036, 16110, 17220, 17542, 18081, 18795, 20090, 22017, 22554, 24108, 25060, 25830, 26313, 29356, 30135, 32220, 35084, 36162, 36695, 37590, 40180, 43855, 44034, 45108, 51373, 51660, 52626, 56385, 60270, 66051, 72324, 73390, 75180, 78939, 87710, 88068, 90405, 102746, 105252, 110085, 112770, 120540, 131565, 132102, 146780, 154119, 157878, 175420, 180810, 205492, 220170, 225540, 256865, 263130, 264204, 308238, 315756, 330255, 359611, 361620, 394695, 440340, 462357, 513730, 526260, 616476, 660510, 719222, 770595, 789390, 924714, 1027460, 1078833, 1321020, 1438444, 1541190, 1578780, 1798055, 1849428, 2157666, 2311785, 3082380, 3236499, 3596110, 4315332, 4623570, 5394165, 6472998, 7192220, 9247140, 10788330, 12945996, 16182495, 21576660, 32364990, 64729980]

約数ペア:

[(1, 64729980), (2, 32364990), (3, 21576660), (4, 16182495), (5, 12945996), (6, 10788330), (7, 9247140), (9, 7192220), (10, 6472998), (12, 5394165), (14, 4623570), (15, 4315332), (18, 3596110), (20, 3236499), (21, 3082380), (28, 2311785), (30, 2157666), (35, 1849428), (36, 1798055), (41, 1578780), (42, 1541190), (45, 1438444), (49, 1321020), (60, 1078833), (63, 1027460), (70, 924714), (82, 789390), (84, 770595), (90, 719222), (98, 660510), (105, 616476), (123, 526260), (126, 513730), (140, 462357), (147, 440340), (164, 394695), (179, 361620), (180, 359611), (196, 330255), (205, 315756), (210, 308238), (245, 264204), (246, 263130), (252, 256865), (287, 225540), (294, 220170), (315, 205492), (358, 180810), (369, 175420), (410, 157878), (420, 154119), (441, 146780), (490, 132102), (492, 131565), (537, 120540), (574, 112770), (588, 110085), (615, 105252), (630, 102746), (716, 90405), (735, 88068), (738, 87710), (820, 78939), (861, 75180), (882, 73390), (895, 72324), (980, 66051), (1074, 60270), (1148, 56385), (1230, 52626), (1253, 51660), (1260, 51373), (1435, 45108), (1470, 44034), (1476, 43855), (1611, 40180), (1722, 37590), (1764, 36695), (1790, 36162), (1845, 35084), (2009, 32220), (2148, 30135), (2205, 29356), (2460, 26313), (2506, 25830), (2583, 25060), (2685, 24108), (2870, 22554), (2940, 22017), (3222, 20090), (3444, 18795), (3580, 18081), (3690, 17542), (3759, 17220), (4018, 16110), (4305, 15036), (4410, 14678), (5012, 12915), (5166, 12530), (5370, 12054), (5740, 11277), (6027, 10740), (6265, 10332), (6444, 10045), (7339, 8820), (7380, 8771), (7518, 8610), (8036, 8055)]