102720120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1171}}^1$

素因数の和:1245

約数の個数: 128

約数和(自身を含む): 334160640

約数和(自身を除く): 231440520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 43, 51, 60, 68, 85, 86, 102, 120, 129, 136, 170, 172, 204, 215, 255, 258, 340, 344, 408, 430, 510, 516, 645, 680, 731, 860, 1020, 1032, 1171, 1290, 1462, 1720, 2040, 2193, 2342, 2580, 2924, 3513, 3655, 4386, 4684, 5160, 5848, 5855, 7026, 7310, 8772, 9368, 10965, 11710, 14052, 14620, 17544, 17565, 19907, 21930, 23420, 28104, 29240, 35130, 39814, 43860, 46840, 50353, 59721, 70260, 79628, 87720, 99535, 100706, 119442, 140520, 151059, 159256, 199070, 201412, 238884, 251765, 298605, 302118, 398140, 402824, 477768, 503530, 597210, 604236, 755295, 796280, 856001, 1007060, 1194420, 1208472, 1510590, 1712002, 2014120, 2388840, 2568003, 3021180, 3424004, 4280005, 5136006, 6042360, 6848008, 8560010, 10272012, 12840015, 17120020, 20544024, 25680030, 34240040, 51360060, 102720120]

約数ペア:

[(1, 102720120), (2, 51360060), (3, 34240040), (4, 25680030), (5, 20544024), (6, 17120020), (8, 12840015), (10, 10272012), (12, 8560010), (15, 6848008), (17, 6042360), (20, 5136006), (24, 4280005), (30, 3424004), (34, 3021180), (40, 2568003), (43, 2388840), (51, 2014120), (60, 1712002), (68, 1510590), (85, 1208472), (86, 1194420), (102, 1007060), (120, 856001), (129, 796280), (136, 755295), (170, 604236), (172, 597210), (204, 503530), (215, 477768), (255, 402824), (258, 398140), (340, 302118), (344, 298605), (408, 251765), (430, 238884), (510, 201412), (516, 199070), (645, 159256), (680, 151059), (731, 140520), (860, 119442), (1020, 100706), (1032, 99535), (1171, 87720), (1290, 79628), (1462, 70260), (1720, 59721), (2040, 50353), (2193, 46840), (2342, 43860), (2580, 39814), (2924, 35130), (3513, 29240), (3655, 28104), (4386, 23420), (4684, 21930), (5160, 19907), (5848, 17565), (5855, 17544), (7026, 14620), (7310, 14052), (8772, 11710), (9368, 10965)]