68940060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:336

約数の個数: 144

約数和(自身を含む): 227525760

約数和(自身を除く): 158585700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 131, 140, 147, 179, 196, 210, 245, 262, 294, 358, 393, 420, 490, 524, 537, 588, 655, 716, 735, 786, 895, 917, 980, 1074, 1253, 1310, 1470, 1572, 1790, 1834, 1965, 2148, 2506, 2620, 2685, 2751, 2940, 3580, 3668, 3759, 3930, 4585, 5012, 5370, 5502, 6265, 6419, 7518, 7860, 8771, 9170, 10740, 11004, 12530, 12838, 13755, 15036, 17542, 18340, 18795, 19257, 23449, 25060, 25676, 26313, 27510, 32095, 35084, 37590, 38514, 43855, 46898, 52626, 55020, 64190, 70347, 75180, 77028, 87710, 93796, 96285, 105252, 117245, 128380, 131565, 140694, 164143, 175420, 192570, 234490, 263130, 281388, 328286, 351735, 385140, 468980, 492429, 526260, 656572, 703470, 820715, 984858, 1149001, 1406940, 1641430, 1969716, 2298002, 2462145, 3282860, 3447003, 4596004, 4924290, 5745005, 6894006, 9848580, 11490010, 13788012, 17235015, 22980020, 34470030, 68940060]

約数ペア:

[(1, 68940060), (2, 34470030), (3, 22980020), (4, 17235015), (5, 13788012), (6, 11490010), (7, 9848580), (10, 6894006), (12, 5745005), (14, 4924290), (15, 4596004), (20, 3447003), (21, 3282860), (28, 2462145), (30, 2298002), (35, 1969716), (42, 1641430), (49, 1406940), (60, 1149001), (70, 984858), (84, 820715), (98, 703470), (105, 656572), (131, 526260), (140, 492429), (147, 468980), (179, 385140), (196, 351735), (210, 328286), (245, 281388), (262, 263130), (294, 234490), (358, 192570), (393, 175420), (420, 164143), (490, 140694), (524, 131565), (537, 128380), (588, 117245), (655, 105252), (716, 96285), (735, 93796), (786, 87710), (895, 77028), (917, 75180), (980, 70347), (1074, 64190), (1253, 55020), (1310, 52626), (1470, 46898), (1572, 43855), (1790, 38514), (1834, 37590), (1965, 35084), (2148, 32095), (2506, 27510), (2620, 26313), (2685, 25676), (2751, 25060), (2940, 23449), (3580, 19257), (3668, 18795), (3759, 18340), (3930, 17542), (4585, 15036), (5012, 13755), (5370, 12838), (5502, 12530), (6265, 11004), (6419, 10740), (7518, 9170), (7860, 8771)]