1899519720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{77977}}^1$

素因数の和:78027

約数の個数: 128

約数和(自身を含む): 6737299200

約数和(自身を除く): 4837779480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 105, 116, 120, 140, 145, 168, 174, 203, 210, 232, 280, 290, 348, 406, 420, 435, 580, 609, 696, 812, 840, 870, 1015, 1160, 1218, 1624, 1740, 2030, 2436, 3045, 3480, 4060, 4872, 6090, 8120, 12180, 24360, 77977, 155954, 233931, 311908, 389885, 467862, 545839, 623816, 779770, 935724, 1091678, 1169655, 1559540, 1637517, 1871448, 2183356, 2261333, 2339310, 2729195, 3119080, 3275034, 4366712, 4522666, 4678620, 5458390, 6550068, 6783999, 8187585, 9045332, 9357240, 10916780, 11306665, 13100136, 13567998, 15829331, 16375170, 18090664, 21833560, 22613330, 27135996, 31658662, 32750340, 33919995, 45226660, 47487993, 54271992, 63317324, 65500680, 67839990, 79146655, 90453320, 94975986, 126634648, 135679980, 158293310, 189951972, 237439965, 271359960, 316586620, 379903944, 474879930, 633173240, 949759860, 1899519720]

約数ペア:

[(1, 1899519720), (2, 949759860), (3, 633173240), (4, 474879930), (5, 379903944), (6, 316586620), (7, 271359960), (8, 237439965), (10, 189951972), (12, 158293310), (14, 135679980), (15, 126634648), (20, 94975986), (21, 90453320), (24, 79146655), (28, 67839990), (29, 65500680), (30, 63317324), (35, 54271992), (40, 47487993), (42, 45226660), (56, 33919995), (58, 32750340), (60, 31658662), (70, 27135996), (84, 22613330), (87, 21833560), (105, 18090664), (116, 16375170), (120, 15829331), (140, 13567998), (145, 13100136), (168, 11306665), (174, 10916780), (203, 9357240), (210, 9045332), (232, 8187585), (280, 6783999), (290, 6550068), (348, 5458390), (406, 4678620), (420, 4522666), (435, 4366712), (580, 3275034), (609, 3119080), (696, 2729195), (812, 2339310), (840, 2261333), (870, 2183356), (1015, 1871448), (1160, 1637517), (1218, 1559540), (1624, 1169655), (1740, 1091678), (2030, 935724), (2436, 779770), (3045, 623816), (3480, 545839), (4060, 467862), (4872, 389885), (6090, 311908), (8120, 233931), (12180, 155954), (24360, 77977)]