8211420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^4\times {\mathrm{19}}^1$

素因数の和:62

約数の個数: 180

約数和(自身を含む): 30586920

約数和(自身を除く): 22375500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 343, 380, 399, 420, 441, 490, 532, 570, 588, 630, 665, 684, 686, 735, 798, 855, 882, 931, 980, 1029, 1140, 1197, 1260, 1330, 1372, 1470, 1596, 1710, 1715, 1764, 1862, 1995, 2058, 2205, 2394, 2401, 2660, 2793, 2940, 3087, 3420, 3430, 3724, 3990, 4116, 4410, 4655, 4788, 4802, 5145, 5586, 5985, 6174, 6517, 6860, 7203, 7980, 8379, 8820, 9310, 9604, 10290, 11172, 11970, 12005, 12348, 13034, 13965, 14406, 15435, 16758, 18620, 19551, 20580, 21609, 23940, 24010, 26068, 27930, 28812, 30870, 32585, 33516, 36015, 39102, 41895, 43218, 45619, 48020, 55860, 58653, 61740, 65170, 72030, 78204, 83790, 86436, 91238, 97755, 108045, 117306, 130340, 136857, 144060, 167580, 182476, 195510, 216090, 228095, 234612, 273714, 293265, 391020, 410571, 432180, 456190, 547428, 586530, 684285, 821142, 912380, 1173060, 1368570, 1642284, 2052855, 2737140, 4105710, 8211420]

約数ペア:

[(1, 8211420), (2, 4105710), (3, 2737140), (4, 2052855), (5, 1642284), (6, 1368570), (7, 1173060), (9, 912380), (10, 821142), (12, 684285), (14, 586530), (15, 547428), (18, 456190), (19, 432180), (20, 410571), (21, 391020), (28, 293265), (30, 273714), (35, 234612), (36, 228095), (38, 216090), (42, 195510), (45, 182476), (49, 167580), (57, 144060), (60, 136857), (63, 130340), (70, 117306), (76, 108045), (84, 97755), (90, 91238), (95, 86436), (98, 83790), (105, 78204), (114, 72030), (126, 65170), (133, 61740), (140, 58653), (147, 55860), (171, 48020), (180, 45619), (190, 43218), (196, 41895), (210, 39102), (228, 36015), (245, 33516), (252, 32585), (266, 30870), (285, 28812), (294, 27930), (315, 26068), (342, 24010), (343, 23940), (380, 21609), (399, 20580), (420, 19551), (441, 18620), (490, 16758), (532, 15435), (570, 14406), (588, 13965), (630, 13034), (665, 12348), (684, 12005), (686, 11970), (735, 11172), (798, 10290), (855, 9604), (882, 9310), (931, 8820), (980, 8379), (1029, 7980), (1140, 7203), (1197, 6860), (1260, 6517), (1330, 6174), (1372, 5985), (1470, 5586), (1596, 5145), (1710, 4802), (1715, 4788), (1764, 4655), (1862, 4410), (1995, 4116), (2058, 3990), (2205, 3724), (2394, 3430), (2401, 3420), (2660, 3087), (2793, 2940)]