78013980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:129

約数の個数: 216

約数和(自身を含む): 273257712

約数和(自身を除く): 195243732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 41, 44, 45, 55, 60, 62, 66, 82, 90, 93, 99, 110, 123, 124, 132, 155, 164, 165, 180, 186, 198, 205, 220, 246, 279, 310, 330, 341, 369, 372, 396, 410, 451, 465, 492, 495, 558, 615, 620, 660, 682, 738, 820, 902, 930, 961, 990, 1023, 1116, 1230, 1271, 1353, 1364, 1395, 1476, 1705, 1804, 1845, 1860, 1922, 1980, 2046, 2255, 2460, 2542, 2706, 2790, 2883, 3069, 3410, 3690, 3813, 3844, 4059, 4092, 4510, 4805, 5084, 5115, 5412, 5580, 5766, 6138, 6355, 6765, 6820, 7380, 7626, 8118, 8649, 9020, 9610, 10230, 10571, 11439, 11532, 12276, 12710, 13530, 13981, 14415, 15252, 15345, 16236, 17298, 19065, 19220, 20295, 20460, 21142, 22878, 25420, 27060, 27962, 28830, 30690, 31713, 34596, 38130, 39401, 40590, 41943, 42284, 43245, 45756, 52855, 55924, 57195, 57660, 61380, 63426, 69905, 76260, 78802, 81180, 83886, 86490, 95139, 105710, 114390, 118203, 125829, 126852, 139810, 157604, 158565, 167772, 172980, 190278, 197005, 209715, 211420, 228780, 236406, 251658, 279620, 317130, 354609, 380556, 394010, 419430, 433411, 472812, 475695, 503316, 591015, 629145, 634260, 709218, 788020, 838860, 866822, 951390, 1182030, 1258290, 1300233, 1418436, 1733644, 1773045, 1902780, 2167055, 2364060, 2516580, 2600466, 3546090, 3900699, 4334110, 5200932, 6501165, 7092180, 7801398, 8668220, 13002330, 15602796, 19503495, 26004660, 39006990, 78013980]

約数ペア:

[(1, 78013980), (2, 39006990), (3, 26004660), (4, 19503495), (5, 15602796), (6, 13002330), (9, 8668220), (10, 7801398), (11, 7092180), (12, 6501165), (15, 5200932), (18, 4334110), (20, 3900699), (22, 3546090), (30, 2600466), (31, 2516580), (33, 2364060), (36, 2167055), (41, 1902780), (44, 1773045), (45, 1733644), (55, 1418436), (60, 1300233), (62, 1258290), (66, 1182030), (82, 951390), (90, 866822), (93, 838860), (99, 788020), (110, 709218), (123, 634260), (124, 629145), (132, 591015), (155, 503316), (164, 475695), (165, 472812), (180, 433411), (186, 419430), (198, 394010), (205, 380556), (220, 354609), (246, 317130), (279, 279620), (310, 251658), (330, 236406), (341, 228780), (369, 211420), (372, 209715), (396, 197005), (410, 190278), (451, 172980), (465, 167772), (492, 158565), (495, 157604), (558, 139810), (615, 126852), (620, 125829), (660, 118203), (682, 114390), (738, 105710), (820, 95139), (902, 86490), (930, 83886), (961, 81180), (990, 78802), (1023, 76260), (1116, 69905), (1230, 63426), (1271, 61380), (1353, 57660), (1364, 57195), (1395, 55924), (1476, 52855), (1705, 45756), (1804, 43245), (1845, 42284), (1860, 41943), (1922, 40590), (1980, 39401), (2046, 38130), (2255, 34596), (2460, 31713), (2542, 30690), (2706, 28830), (2790, 27962), (2883, 27060), (3069, 25420), (3410, 22878), (3690, 21142), (3813, 20460), (3844, 20295), (4059, 19220), (4092, 19065), (4510, 17298), (4805, 16236), (5084, 15345), (5115, 15252), (5412, 14415), (5580, 13981), (5766, 13530), (6138, 12710), (6355, 12276), (6765, 11532), (6820, 11439), (7380, 10571), (7626, 10230), (8118, 9610), (8649, 9020)]