19697160

素因数分解:

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

素因数の和:331

約数の個数: 128

約数和(自身を含む): 68428800

約数和(自身を除く): 48731640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 131, 140, 168, 179, 210, 262, 280, 358, 393, 420, 524, 537, 655, 716, 786, 840, 895, 917, 1048, 1074, 1253, 1310, 1432, 1572, 1790, 1834, 1965, 2148, 2506, 2620, 2685, 2751, 3144, 3580, 3668, 3759, 3930, 4296, 4585, 5012, 5240, 5370, 5502, 6265, 7160, 7336, 7518, 7860, 9170, 10024, 10740, 11004, 12530, 13755, 15036, 15720, 18340, 18795, 21480, 22008, 23449, 25060, 27510, 30072, 36680, 37590, 46898, 50120, 55020, 70347, 75180, 93796, 110040, 117245, 140694, 150360, 164143, 187592, 234490, 281388, 328286, 351735, 468980, 492429, 562776, 656572, 703470, 820715, 937960, 984858, 1313144, 1406940, 1641430, 1969716, 2462145, 2813880, 3282860, 3939432, 4924290, 6565720, 9848580, 19697160]

約数ペア:

[(1, 19697160), (2, 9848580), (3, 6565720), (4, 4924290), (5, 3939432), (6, 3282860), (7, 2813880), (8, 2462145), (10, 1969716), (12, 1641430), (14, 1406940), (15, 1313144), (20, 984858), (21, 937960), (24, 820715), (28, 703470), (30, 656572), (35, 562776), (40, 492429), (42, 468980), (56, 351735), (60, 328286), (70, 281388), (84, 234490), (105, 187592), (120, 164143), (131, 150360), (140, 140694), (168, 117245), (179, 110040), (210, 93796), (262, 75180), (280, 70347), (358, 55020), (393, 50120), (420, 46898), (524, 37590), (537, 36680), (655, 30072), (716, 27510), (786, 25060), (840, 23449), (895, 22008), (917, 21480), (1048, 18795), (1074, 18340), (1253, 15720), (1310, 15036), (1432, 13755), (1572, 12530), (1790, 11004), (1834, 10740), (1965, 10024), (2148, 9170), (2506, 7860), (2620, 7518), (2685, 7336), (2751, 7160), (3144, 6265), (3580, 5502), (3668, 5370), (3759, 5240), (3930, 5012), (4296, 4585)]