210781620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1277}}^1$

素因数の和:1430

約数の個数: 144

約数和(自身を含む): 736864128

約数和(自身を除く): 526082508

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 131, 140, 180, 210, 252, 262, 315, 393, 420, 524, 630, 655, 786, 917, 1179, 1260, 1277, 1310, 1572, 1834, 1965, 2358, 2554, 2620, 2751, 3668, 3831, 3930, 4585, 4716, 5108, 5502, 5895, 6385, 7662, 7860, 8253, 8939, 9170, 11004, 11493, 11790, 12770, 13755, 15324, 16506, 17878, 18340, 19155, 22986, 23580, 25540, 26817, 27510, 33012, 35756, 38310, 41265, 44695, 45972, 53634, 55020, 57465, 76620, 80451, 82530, 89390, 107268, 114930, 134085, 160902, 165060, 167287, 178780, 229860, 268170, 321804, 334574, 402255, 501861, 536340, 669148, 804510, 836435, 1003722, 1171009, 1505583, 1609020, 1672870, 2007444, 2342018, 2509305, 3011166, 3345740, 3513027, 4684036, 5018610, 5855045, 6022332, 7026054, 7527915, 10037220, 10539081, 11710090, 14052108, 15055830, 17565135, 21078162, 23420180, 30111660, 35130270, 42156324, 52695405, 70260540, 105390810, 210781620]

約数ペア:

[(1, 210781620), (2, 105390810), (3, 70260540), (4, 52695405), (5, 42156324), (6, 35130270), (7, 30111660), (9, 23420180), (10, 21078162), (12, 17565135), (14, 15055830), (15, 14052108), (18, 11710090), (20, 10539081), (21, 10037220), (28, 7527915), (30, 7026054), (35, 6022332), (36, 5855045), (42, 5018610), (45, 4684036), (60, 3513027), (63, 3345740), (70, 3011166), (84, 2509305), (90, 2342018), (105, 2007444), (126, 1672870), (131, 1609020), (140, 1505583), (180, 1171009), (210, 1003722), (252, 836435), (262, 804510), (315, 669148), (393, 536340), (420, 501861), (524, 402255), (630, 334574), (655, 321804), (786, 268170), (917, 229860), (1179, 178780), (1260, 167287), (1277, 165060), (1310, 160902), (1572, 134085), (1834, 114930), (1965, 107268), (2358, 89390), (2554, 82530), (2620, 80451), (2751, 76620), (3668, 57465), (3831, 55020), (3930, 53634), (4585, 45972), (4716, 44695), (5108, 41265), (5502, 38310), (5895, 35756), (6385, 33012), (7662, 27510), (7860, 26817), (8253, 25540), (8939, 23580), (9170, 22986), (11004, 19155), (11493, 18340), (11790, 17878), (12770, 16506), (13755, 15324)]