80406540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2441}}^1$

素因数の和:2520

約数の個数: 96

約数和(自身を含む): 254358720

約数和(自身を除く): 173952180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 90, 108, 122, 135, 180, 183, 244, 270, 305, 366, 540, 549, 610, 732, 915, 1098, 1220, 1647, 1830, 2196, 2441, 2745, 3294, 3660, 4882, 5490, 6588, 7323, 8235, 9764, 10980, 12205, 14646, 16470, 21969, 24410, 29292, 32940, 36615, 43938, 48820, 65907, 73230, 87876, 109845, 131814, 146460, 148901, 219690, 263628, 297802, 329535, 439380, 446703, 595604, 659070, 744505, 893406, 1318140, 1340109, 1489010, 1786812, 2233515, 2680218, 2978020, 4020327, 4467030, 5360436, 6700545, 8040654, 8934060, 13401090, 16081308, 20101635, 26802180, 40203270, 80406540]

約数ペア:

[(1, 80406540), (2, 40203270), (3, 26802180), (4, 20101635), (5, 16081308), (6, 13401090), (9, 8934060), (10, 8040654), (12, 6700545), (15, 5360436), (18, 4467030), (20, 4020327), (27, 2978020), (30, 2680218), (36, 2233515), (45, 1786812), (54, 1489010), (60, 1340109), (61, 1318140), (90, 893406), (108, 744505), (122, 659070), (135, 595604), (180, 446703), (183, 439380), (244, 329535), (270, 297802), (305, 263628), (366, 219690), (540, 148901), (549, 146460), (610, 131814), (732, 109845), (915, 87876), (1098, 73230), (1220, 65907), (1647, 48820), (1830, 43938), (2196, 36615), (2441, 32940), (2745, 29292), (3294, 24410), (3660, 21969), (4882, 16470), (5490, 14646), (6588, 12205), (7323, 10980), (8235, 9764)]