87772020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:702

約数の個数: 192

約数和(自身を含む): 313528320

約数和(自身を除く): 225756300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 28, 30, 34, 35, 38, 42, 51, 57, 60, 68, 70, 76, 84, 85, 95, 102, 105, 114, 119, 133, 140, 170, 190, 204, 210, 228, 238, 255, 266, 285, 323, 340, 357, 380, 399, 420, 476, 510, 532, 570, 595, 646, 647, 665, 714, 798, 969, 1020, 1140, 1190, 1292, 1294, 1330, 1428, 1596, 1615, 1785, 1938, 1941, 1995, 2261, 2380, 2588, 2660, 3230, 3235, 3570, 3876, 3882, 3990, 4522, 4529, 4845, 6460, 6470, 6783, 7140, 7764, 7980, 9044, 9058, 9690, 9705, 10999, 11305, 12293, 12940, 13566, 13587, 18116, 19380, 19410, 21998, 22610, 22645, 24586, 27132, 27174, 32997, 33915, 36879, 38820, 43996, 45220, 45290, 49172, 54348, 54995, 61465, 65994, 67830, 67935, 73758, 76993, 86051, 90580, 109990, 122930, 131988, 135660, 135870, 147516, 153986, 164985, 172102, 184395, 208981, 219980, 230979, 245860, 258153, 271740, 307972, 329970, 344204, 368790, 384965, 417962, 430255, 461958, 516306, 626943, 659940, 737580, 769930, 835924, 860510, 923916, 1032612, 1044905, 1154895, 1253886, 1290765, 1462867, 1539860, 1721020, 2089810, 2309790, 2507772, 2581530, 2925734, 3134715, 4179620, 4388601, 4619580, 5163060, 5851468, 6269430, 7314335, 8777202, 12538860, 14628670, 17554404, 21943005, 29257340, 43886010, 87772020]

約数ペア:

[(1, 87772020), (2, 43886010), (3, 29257340), (4, 21943005), (5, 17554404), (6, 14628670), (7, 12538860), (10, 8777202), (12, 7314335), (14, 6269430), (15, 5851468), (17, 5163060), (19, 4619580), (20, 4388601), (21, 4179620), (28, 3134715), (30, 2925734), (34, 2581530), (35, 2507772), (38, 2309790), (42, 2089810), (51, 1721020), (57, 1539860), (60, 1462867), (68, 1290765), (70, 1253886), (76, 1154895), (84, 1044905), (85, 1032612), (95, 923916), (102, 860510), (105, 835924), (114, 769930), (119, 737580), (133, 659940), (140, 626943), (170, 516306), (190, 461958), (204, 430255), (210, 417962), (228, 384965), (238, 368790), (255, 344204), (266, 329970), (285, 307972), (323, 271740), (340, 258153), (357, 245860), (380, 230979), (399, 219980), (420, 208981), (476, 184395), (510, 172102), (532, 164985), (570, 153986), (595, 147516), (646, 135870), (647, 135660), (665, 131988), (714, 122930), (798, 109990), (969, 90580), (1020, 86051), (1140, 76993), (1190, 73758), (1292, 67935), (1294, 67830), (1330, 65994), (1428, 61465), (1596, 54995), (1615, 54348), (1785, 49172), (1938, 45290), (1941, 45220), (1995, 43996), (2261, 38820), (2380, 36879), (2588, 33915), (2660, 32997), (3230, 27174), (3235, 27132), (3570, 24586), (3876, 22645), (3882, 22610), (3990, 21998), (4522, 19410), (4529, 19380), (4845, 18116), (6460, 13587), (6470, 13566), (6783, 12940), (7140, 12293), (7764, 11305), (7980, 10999), (9044, 9705), (9058, 9690)]