645492168

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{491}}^1$

素因数の和:584

約数の個数: 144

約数和(自身を含む): 1905368400

約数和(自身を除く): 1259876232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 31, 36, 38, 57, 62, 72, 76, 93, 114, 124, 152, 171, 186, 228, 248, 279, 342, 372, 456, 491, 558, 589, 684, 744, 961, 982, 1116, 1178, 1368, 1473, 1767, 1922, 1964, 2232, 2356, 2883, 2946, 3534, 3844, 3928, 4419, 4712, 5301, 5766, 5892, 7068, 7688, 8649, 8838, 9329, 10602, 11532, 11784, 14136, 15221, 17298, 17676, 18259, 18658, 21204, 23064, 27987, 30442, 34596, 35352, 36518, 37316, 42408, 45663, 54777, 55974, 60884, 69192, 73036, 74632, 83961, 91326, 109554, 111948, 121768, 136989, 146072, 164331, 167922, 182652, 219108, 223896, 273978, 289199, 328662, 335844, 365304, 438216, 471851, 547956, 578398, 657324, 671688, 867597, 943702, 1095912, 1156796, 1314648, 1415553, 1735194, 1887404, 2313592, 2602791, 2831106, 3470388, 3774808, 4246659, 5205582, 5662212, 6940776, 8493318, 8965169, 10411164, 11324424, 16986636, 17930338, 20822328, 26895507, 33973272, 35860676, 53791014, 71721352, 80686521, 107582028, 161373042, 215164056, 322746084, 645492168]

約数ペア:

[(1, 645492168), (2, 322746084), (3, 215164056), (4, 161373042), (6, 107582028), (8, 80686521), (9, 71721352), (12, 53791014), (18, 35860676), (19, 33973272), (24, 26895507), (31, 20822328), (36, 17930338), (38, 16986636), (57, 11324424), (62, 10411164), (72, 8965169), (76, 8493318), (93, 6940776), (114, 5662212), (124, 5205582), (152, 4246659), (171, 3774808), (186, 3470388), (228, 2831106), (248, 2602791), (279, 2313592), (342, 1887404), (372, 1735194), (456, 1415553), (491, 1314648), (558, 1156796), (589, 1095912), (684, 943702), (744, 867597), (961, 671688), (982, 657324), (1116, 578398), (1178, 547956), (1368, 471851), (1473, 438216), (1767, 365304), (1922, 335844), (1964, 328662), (2232, 289199), (2356, 273978), (2883, 223896), (2946, 219108), (3534, 182652), (3844, 167922), (3928, 164331), (4419, 146072), (4712, 136989), (5301, 121768), (5766, 111948), (5892, 109554), (7068, 91326), (7688, 83961), (8649, 74632), (8838, 73036), (9329, 69192), (10602, 60884), (11532, 55974), (11784, 54777), (14136, 45663), (15221, 42408), (17298, 37316), (17676, 36518), (18259, 35352), (18658, 34596), (21204, 30442), (23064, 27987)]