80955540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 255514896

約数和(自身を除く): 174559356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 73, 90, 101, 122, 146, 180, 183, 202, 219, 244, 292, 303, 305, 365, 366, 404, 438, 505, 549, 606, 610, 657, 730, 732, 876, 909, 915, 1010, 1095, 1098, 1212, 1220, 1314, 1460, 1515, 1818, 1830, 2020, 2190, 2196, 2628, 2745, 3030, 3285, 3636, 3660, 4380, 4453, 4545, 5490, 6060, 6161, 6570, 7373, 8906, 9090, 10980, 12322, 13140, 13359, 14746, 17812, 18180, 18483, 22119, 22265, 24644, 26718, 29492, 30805, 36865, 36966, 40077, 44238, 44530, 53436, 55449, 61610, 66357, 66795, 73730, 73932, 80154, 88476, 89060, 92415, 110595, 110898, 123220, 132714, 133590, 147460, 160308, 184830, 200385, 221190, 221796, 265428, 267180, 277245, 331785, 369660, 400770, 442380, 449753, 554490, 663570, 801540, 899506, 1108980, 1327140, 1349259, 1799012, 2248765, 2698518, 4047777, 4497530, 5397036, 6746295, 8095554, 8995060, 13492590, 16191108, 20238885, 26985180, 40477770, 80955540]

約数ペア:

[(1, 80955540), (2, 40477770), (3, 26985180), (4, 20238885), (5, 16191108), (6, 13492590), (9, 8995060), (10, 8095554), (12, 6746295), (15, 5397036), (18, 4497530), (20, 4047777), (30, 2698518), (36, 2248765), (45, 1799012), (60, 1349259), (61, 1327140), (73, 1108980), (90, 899506), (101, 801540), (122, 663570), (146, 554490), (180, 449753), (183, 442380), (202, 400770), (219, 369660), (244, 331785), (292, 277245), (303, 267180), (305, 265428), (365, 221796), (366, 221190), (404, 200385), (438, 184830), (505, 160308), (549, 147460), (606, 133590), (610, 132714), (657, 123220), (730, 110898), (732, 110595), (876, 92415), (909, 89060), (915, 88476), (1010, 80154), (1095, 73932), (1098, 73730), (1212, 66795), (1220, 66357), (1314, 61610), (1460, 55449), (1515, 53436), (1818, 44530), (1830, 44238), (2020, 40077), (2190, 36966), (2196, 36865), (2628, 30805), (2745, 29492), (3030, 26718), (3285, 24644), (3636, 22265), (3660, 22119), (4380, 18483), (4453, 18180), (4545, 17812), (5490, 14746), (6060, 13359), (6161, 13140), (6570, 12322), (7373, 10980), (8906, 9090)]